opt: add some app.kubernetes.io/* labels back

[csuzhangxc]

What problem does this PR solve?

What is changed and how does it work?

Code changes

• Has Go code change
• Has CI related scripts change

Tests

• Unit test
• E2E test
• Manual test
• No code

Side effects

• Breaking backward compatibility
• Other side effects:

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release Notes

Please refer to Release Notes Language Style Guide before writing the release note.

[csuzhangxc]

/run-pull-e2e-kind-v2

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.97%. Comparing base (65c3a1d) to head (f92a4b3).

Additional details and impacted files

@@              Coverage Diff               @@
##           feature/v2    #6047      +/-   ##
==============================================
+ Coverage       69.94%   69.97%   +0.02%     
==============================================
  Files             154      153       -1     
  Lines            9517     9524       +7     
==============================================
+ Hits             6657     6664       +7     
  Misses           2860     2860              

Flag	Coverage Δ
unittest	69.97% <100.00%> (+0.02%)	⬆️

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