fix: update ns&taskmanager client when zk changed

[vagetablechicken]

Closes #515

[github-actions]

SDK Test Report

  75 files    75 suites   6m 19s ⏱️
163 tests 161 ✔️ 2 💤 0 ❌
204 runs  202 ✔️ 2 💤 0 ❌

Results for commit 1b25ac1.

[codecov]

Codecov Report

Merging #1963 (1b25ac1) into main (7717523) will increase coverage by 0.00%.
The diff coverage is 81.81%.

@@            Coverage Diff            @@
##               main    #1963   +/-   ##
=========================================
  Coverage     75.62%   75.63%           
  Complexity      347      347           
=========================================
  Files           614      614           
  Lines        116975   116983    +8     
  Branches       1022     1022           
=========================================
+ Hits          88464    88477   +13     
+ Misses        28302    28297    -5     
  Partials        209      209           

Impacted Files	Coverage Δ
src/sdk/db_sdk.h	92.50% <ø> (ø)
src/sdk/db_sdk.cc	67.64% <76.47%> (+3.79%)	⬆️
src/zk/dist_lock.cc	81.81% <100.00%> (-1.52%)	⬇️
src/catalog/tablet_catalog.cc	73.77% <0.00%> (-0.87%)	⬇️
src/client/tablet_client.cc	55.19% <0.00%> (-0.12%)	⬇️
src/tablet/tablet_impl.cc	59.42% <0.00%> (-0.10%)	⬇️
src/nameserver/name_server_impl.cc	42.78% <0.00%> (-0.03%)	⬇️
src/zk/zk_client.cc	83.37% <0.00%> (+0.25%)	⬆️
hybridse/src/udf/udf_library.cc	81.35% <0.00%> (+0.42%)	⬆️
... and 1 more

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[github-actions]

Linux Test Report

       57 files       196 suites   49m 17s ⏱️
  8 941 tests   8 937 ✔️ 4 💤 0 ❌
13 157 runs  13 153 ✔️ 4 💤 0 ❌

Results for commit 1b25ac1.