enhance(node-fetch): make ReadableStream[Symbol.asyncIterator] AsyncIterableIterator rather than AsyncIterator only

[ardatan]

ReadableStream's Symbol.asyncIterator now returns AsyncIterableIterator like before even if it
is ok to return AsyncIterator.
It is safer to return AsyncIterableIterator because it is a common mistake to use AsyncIterator as AsyncIterable.

[github-actions]

✅ @benchmarks/node-fetch results (consumeBody)

   ✓ active_handles.................: avg=140.117193 min=13     med=140     max=197     p(90)=160     p(95)=164    
     data_received..................: 21 MB  708 kB/s
     data_sent......................: 14 MB  454 kB/s
     http_req_blocked...............: avg=2.4µs      min=661ns  med=1.21µs  max=18.79ms p(90)=1.98µs  p(95)=2.21µs 
     http_req_connecting............: avg=512ns      min=0s     med=0s      max=4.31ms  p(90)=0s      p(95)=0s     
     http_req_duration..............: avg=21.52ms    min=2.84ms med=20.92ms max=1.12s   p(90)=26.9ms  p(95)=28.78ms
       { expected_response:true }...: avg=21.52ms    min=2.84ms med=20.92ms max=1.12s   p(90)=26.9ms  p(95)=28.78ms
     http_req_failed................: 0.00%  ✓ 0           ✗ 138902
     http_req_receiving.............: avg=34.21µs    min=8.86µs med=22.6µs  max=14.96ms p(90)=36.51µs p(95)=43.29µs
     http_req_sending...............: avg=10.77µs    min=3.11µs med=5.77µs  max=18.19ms p(90)=9.39µs  p(95)=12.96µs
     http_req_tls_handshaking.......: avg=0s         min=0s     med=0s      max=0s      p(90)=0s      p(95)=0s     
     http_req_waiting...............: avg=21.48ms    min=2.77ms med=20.89ms max=1.12s   p(90)=26.85ms p(95)=28.72ms
     http_reqs......................: 138902 4629.274567/s
     iteration_duration.............: avg=43.16ms    min=9.87ms med=41.56ms max=1.14s   p(90)=47.43ms p(95)=52.62ms
     iterations.....................: 69424  2313.737437/s
     vus............................: 71     min=71        max=100 
     vus_max........................: 100    min=100       max=100 

[github-actions]

✅ @benchmarks/node-fetch results (noConsumeBody)

   ✓ active_handles.................: avg=139.797006 min=28      med=139     max=187     p(90)=161     p(95)=169    
     data_received..................: 22 MB  741 kB/s
     data_sent......................: 14 MB  480 kB/s
     http_req_blocked...............: avg=4.04µs     min=631ns   med=1.38µs  max=6.77ms  p(90)=2.02µs  p(95)=2.31µs 
     http_req_connecting............: avg=2.22µs     min=0s      med=0s      max=6.52ms  p(90)=0s      p(95)=0s     
     http_req_duration..............: avg=20.56ms    min=5.28ms  med=20.01ms max=1.07s   p(90)=25.99ms p(95)=27.53ms
       { expected_response:true }...: avg=20.56ms    min=5.28ms  med=20.01ms max=1.07s   p(90)=25.99ms p(95)=27.53ms
     http_req_failed................: 0.00%  ✓ 0           ✗ 145400
     http_req_receiving.............: avg=32.44µs    min=9.07µs  med=22.56µs max=16.63ms p(90)=36.65µs p(95)=43.65µs
     http_req_sending...............: avg=11.36µs    min=3.26µs  med=6.38µs  max=14.64ms p(90)=9.55µs  p(95)=13.2µs 
     http_req_tls_handshaking.......: avg=0s         min=0s      med=0s      max=0s      p(90)=0s      p(95)=0s     
     http_req_waiting...............: avg=20.52ms    min=5.19ms  med=19.98ms max=1.07s   p(90)=25.95ms p(95)=27.47ms
     http_reqs......................: 145400 4846.247305/s
     iteration_duration.............: avg=41.23ms    min=16.91ms med=39.72ms max=1.09s   p(90)=45.51ms p(95)=50.57ms
     iterations.....................: 72687  2422.690357/s
     vus............................: 100    min=100       max=100 
     vus_max........................: 100    min=100       max=100 

[github-actions]

🚀 Snapshot Release (alpha)

The latest changes of this PR are available as alpha on npm (based on the declared changesets):

Package	Version	Info
@whatwg-node/fetch	0.10.2-alpha-20250110090158-4b55591216b8adb4146bd8c51856a062ae508033	npm ↗︎ unpkg ↗︎
@whatwg-node/node-fetch	0.7.6-alpha-20250110090158-4b55591216b8adb4146bd8c51856a062ae508033	npm ↗︎ unpkg ↗︎

[github-actions]

✅ @benchmarks/server results (native)

     ✓ no-errors
     ✓ expected-result

   ✓ checks.........................: 100.00% ✓ 202752      ✗ 0     
     data_received..................: 20 MB   679 kB/s
     data_sent......................: 8.1 MB  270 kB/s
     http_req_blocked...............: avg=1.5µs    min=911ns    med=1.26µs   max=233.53µs p(90)=2µs      p(95)=2.22µs  
     http_req_connecting............: avg=1ns      min=0s       med=0s       max=131.1µs  p(90)=0s       p(95)=0s      
     http_req_duration..............: avg=230.73µs min=177.63µs med=219.47µs max=11.28ms  p(90)=248.07µs p(95)=259.71µs
       { expected_response:true }...: avg=230.73µs min=177.63µs med=219.47µs max=11.28ms  p(90)=248.07µs p(95)=259.71µs
     http_req_failed................: 0.00%   ✓ 0           ✗ 101376
     http_req_receiving.............: avg=26.31µs  min=13.95µs  med=24.54µs  max=2.9ms    p(90)=31.6µs   p(95)=34.54µs 
     http_req_sending...............: avg=6.74µs   min=4.14µs   med=6.04µs   max=440.17µs p(90)=8.52µs   p(95)=9.59µs  
     http_req_tls_handshaking.......: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=197.67µs min=151.26µs med=186.75µs max=11.21ms  p(90)=211.96µs p(95)=222.65µs
     http_reqs......................: 101376  3379.054898/s
     iteration_duration.............: avg=291.24µs min=226.14µs med=279.06µs max=11.43ms  p(90)=311.85µs p(95)=326.87µs
     iterations.....................: 101376  3379.054898/s
     vus............................: 1       min=1         max=1   
     vus_max........................: 1       min=1         max=1   

[github-actions]

✅ @benchmarks/server results (ponyfill)

     ✓ no-errors
     ✓ expected-result

   ✓ checks.........................: 100.00% ✓ 299458      ✗ 0     
     data_received..................: 30 MB   983 kB/s
     data_sent......................: 12 MB   399 kB/s
     http_req_blocked...............: avg=1.36µs   min=872ns    med=1.16µs   max=194µs    p(90)=1.85µs   p(95)=2.01µs  
     http_req_connecting............: avg=0ns      min=0s       med=0s       max=127.92µs p(90)=0s       p(95)=0s      
     http_req_duration..............: avg=138.2µs  min=93.88µs  med=133.73µs max=5.89ms   p(90)=155.53µs p(95)=162.36µs
       { expected_response:true }...: avg=138.2µs  min=93.88µs  med=133.73µs max=5.89ms   p(90)=155.53µs p(95)=162.36µs
     http_req_failed................: 0.00%   ✓ 0           ✗ 149729
     http_req_receiving.............: avg=24.33µs  min=12.22µs  med=22.9µs   max=2.4ms    p(90)=29.98µs  p(95)=32.62µs 
     http_req_sending...............: avg=6.25µs   min=4.01µs   med=5.42µs   max=279.45µs p(90)=8.07µs   p(95)=8.66µs  
     http_req_tls_handshaking.......: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=107.62µs min=66.66µs  med=102.67µs max=5.85ms   p(90)=121.6µs  p(95)=127.27µs
     http_reqs......................: 149729  4990.760574/s
     iteration_duration.............: avg=195.94µs min=139.69µs med=190.73µs max=6.07ms   p(90)=215.82µs p(95)=224.44µs
     iterations.....................: 149729  4990.760574/s
     vus............................: 1       min=1         max=1   
     vus_max........................: 1       min=1         max=1   

[github-actions]

✅ @benchmarks/server results (undici)

     ✓ no-errors
     ✓ expected-result

   ✓ checks.........................: 100.00% ✓ 215686      ✗ 0     
     data_received..................: 22 MB   723 kB/s
     data_sent......................: 8.6 MB  288 kB/s
     http_req_blocked...............: avg=1.44µs   min=872ns    med=1.23µs   max=194.14µs p(90)=1.91µs   p(95)=2.08µs  
     http_req_connecting............: avg=1ns      min=0s       med=0s       max=127.66µs p(90)=0s       p(95)=0s      
     http_req_duration..............: avg=214.06µs min=158.71µs med=203.1µs  max=56.8ms   p(90)=228.42µs p(95)=237.39µs
       { expected_response:true }...: avg=214.06µs min=158.71µs med=203.1µs  max=56.8ms   p(90)=228.42µs p(95)=237.39µs
     http_req_failed................: 0.00%   ✓ 0           ✗ 107843
     http_req_receiving.............: avg=26.3µs   min=13.9µs   med=24.85µs  max=2.19ms   p(90)=31.88µs  p(95)=34.41µs 
     http_req_sending...............: avg=6.61µs   min=4.12µs   med=5.95µs   max=295.57µs p(90)=8.27µs   p(95)=9.18µs  
     http_req_tls_handshaking.......: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=181.14µs min=128.25µs med=170.41µs max=56.72ms  p(90)=192.7µs  p(95)=201.06µs
     http_reqs......................: 107843  3594.617993/s
     iteration_duration.............: avg=273.54µs min=202.63µs med=261.5µs  max=56.94ms  p(90)=290.55µs p(95)=301.99µs
     iterations.....................: 107843  3594.617993/s
     vus............................: 1       min=1         max=1   
     vus_max........................: 1       min=1         max=1