chore(builder): modify launch imagebuild pod

[jianxiaoguo]

If your change requires any additions or changes to the documentation or to the end-to-end test suite, please submit them as 1 or more pull requests against that repo and refer to them here.

refs drycc/workflow#1234
refs drycc/workflow-e2e#5678

[codecov]

Codecov Report

Merging #10 (42be579) into main (9a2d189) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #10   +/-   ##
=======================================
  Coverage   55.13%   55.13%           
=======================================
  Files          28       28           
  Lines        1119     1119           
=======================================
  Hits          617      617           
  Misses        465      465           
  Partials       37       37           

Impacted Files	Coverage Δ
pkg/gitreceive/k8s_util.go	66.90% <100.00%> (ø)

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