Update expr from 1.13.0 to 1.15.3

[yongtang]

Manually update expr to resolve test failures

This PR fixed #6342

[codecov]

Codecov Report

Merging #6375 (be88582) into master (93c57b6) will increase coverage by 2.78%.
Report is 1056 commits behind head on master.
The diff coverage is 55.36%.

@@            Coverage Diff             @@
##           master    #6375      +/-   ##
==========================================
+ Coverage   55.70%   58.48%   +2.78%     
==========================================
  Files         224      252      +28     
  Lines       10016    16537    +6521     
==========================================
+ Hits         5579     9672    +4093     
- Misses       3978     6277    +2299     
- Partials      459      588     +129     

Files	Coverage Δ
core/dnsserver/address.go	100.00% <100.00%> (ø)
core/dnsserver/config.go	0.00% <ø> (ø)
plugin/acl/setup.go	94.49% <100.00%> (+1.81%)	⬆️
plugin/auto/walk.go	76.05% <100.00%> (+2.72%)	⬆️
plugin/auto/zone.go	78.94% <ø> (+0.68%)	⬆️
plugin/autopath/autopath.go	73.61% <ø> (-1.39%)	⬇️
plugin/autopath/setup.go	54.34% <100.00%> (-3.55%)	⬇️
plugin/bufsize/bufsize.go	100.00% <100.00%> (ø)
plugin/bufsize/setup.go	60.60% <100.00%> (+4.08%)	⬆️
plugin/cache/dnssec.go	85.71% <100.00%> (+25.71%)	⬆️
... and 77 more

... and 170 files with indirect coverage changes

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