Use kubectl to get logs from TPU CI instead of gcloud logging.

[zcain117]

What does this PR do?

Use kubectl logs to retrieve logs instead of gcloud logging read in the TPU CI setup. This should reduce e2e testing time by ~1-3 minutes.

Fixes # (issue)

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[codecov]

Codecov Report

Merging #2918 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #2918   +/-   ##
======================================
  Coverage      90%     90%           
======================================
  Files          80      80           
  Lines        7422    7422           
======================================
  Hits         6706    6706           
  Misses        716     716           

[Borda]

can ve do the same also for GH actions?

[zcain117]

can ve do the same also for GH actions?

Made the same change to the Github Action. The CircleCI job looks good in e2e run but I think we can't test the Github Action until PR is submitted