feat: support taskmanager sync rpc

[vagetablechicken]

Closes #1436, closes #1137

usage:

set @@sync_job=true;
# if rpc timeout, set it bigger
set @@job_timeout='100000';

[github-actions]

Linux Test Report

       52 files       179 suites   39m 45s ⏱️
  8 173 tests   8 173 ✔️ 0 💤 0 ❌
12 089 runs  12 089 ✔️ 0 💤 0 ❌

Results for commit a311755.

♻️ This comment has been updated with latest results.

[github-actions]

SDK Test Report

  70 files    70 suites   5m 46s ⏱️
157 tests 154 ✔️ 3 💤 0 ❌
196 runs  193 ✔️ 3 💤 0 ❌

Results for commit a311755.

[codecov]

Codecov Report

Merging #1486 (a311755) into main (6b926bb) will decrease coverage by 0.01%.
The diff coverage is 11.26%.

@@             Coverage Diff              @@
##               main    #1486      +/-   ##
============================================
- Coverage     66.59%   66.57%   -0.02%     
  Complexity      281      281              
============================================
  Files           577      577              
  Lines        110191   110240      +49     
  Branches        932      937       +5     
============================================
+ Hits          73378    73392      +14     
- Misses        36621    36656      +35     
  Partials        192      192              

Impacted Files	Coverage Δ
...nmldb/taskmanager/server/impl/TaskManagerImpl.java	0.00% <0.00%> (ø)
src/client/taskmanager_client.cc	0.00% <0.00%> (ø)
src/client/taskmanager_client.h	0.00% <0.00%> (ø)
src/sdk/sql_cluster_router.h	66.66% <ø> (ø)
src/sdk/sql_router.h	33.33% <ø> (ø)
src/sdk/sql_cluster_router.cc	44.10% <30.76%> (+0.32%)	⬆️
src/zk/zk_client.cc	83.28% <0.00%> (-0.27%)	⬇️
src/tablet/tablet_impl.cc	38.69% <0.00%> (-0.09%)	⬇️
src/nameserver/name_server_impl.cc	37.67% <0.00%> (+0.02%)	⬆️
... and 2 more

---

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[dl239]

PR review meeting note:

• update the sleep strategy later
• check new added variable in nameserver @keyu813

[tobegit3hub]

LGTM

[lumianph]

sync option for async task manager APIs