change liveness probe to tcpSocket

[haorenfsa]

/cc @LoveEachDay

[LoveEachDay]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: haorenfsa, LoveEachDay

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[sre-ci-robot]

New changes are detected. LGTM label has been removed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.83%. Comparing base (ef7c055) to head (8b8444b).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #255      +/-   ##
==========================================
- Coverage   76.84%   76.83%   -0.02%     
==========================================
  Files          64       64              
  Lines        6695     6691       -4     
==========================================
- Hits         5145     5141       -4     
  Misses       1349     1349              
  Partials      201      201              

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