feat: add standalone options for sql cluster router

[tobegit3hub]

• Resolve Support standalone options in sql cluster router for Java/Python SDK #1301

[github-actions]

Linux Test Report

     102 files       228 suites   41m 59s ⏱️
  8 610 tests   8 607 ✔️ 3 💤 0 ❌
12 737 runs  12 734 ✔️ 3 💤 0 ❌

Results for commit 3bb4925.

[codecov]

Codecov Report

Merging #1302 (3bb4925) into main (836b341) will increase coverage by 0.01%.
The diff coverage is 40.00%.

@@             Coverage Diff              @@
##               main    #1302      +/-   ##
============================================
+ Coverage     65.52%   65.54%   +0.01%     
  Complexity      222      222              
============================================
  Files           570      570              
  Lines        106352   106449      +97     
  Branches        855      855              
============================================
+ Hits          69683    69767      +84     
- Misses        36523    36536      +13     
  Partials        146      146              

Impacted Files	Coverage Δ
src/sdk/sql_cluster_router.h	66.66% <ø> (ø)
src/sdk/sql_router.cc	3.12% <0.00%> (-0.16%)	⬇️
src/sdk/sql_router.h	33.33% <ø> (ø)
src/sdk/sql_cluster_router.cc	32.90% <52.63%> (-0.15%)	⬇️
src/zk/dist_lock.cc	81.81% <0.00%> (-1.52%)	⬇️
src/rpc/rpc_client.h	64.86% <0.00%> (-1.36%)	⬇️
src/tablet/tablet_impl.cc	37.73% <0.00%> (-0.20%)	⬇️
src/cmd/sql_cmd_test.cc	100.00% <0.00%> (ø)
hybridse/src/node/node_manager.cc	88.66% <0.00%> (ø)
src/nameserver/system_table_test.cc	100.00% <0.00%> (ø)
... and 13 more

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[HuilinWu2]

LGTM