fix(tekton): ensure PAC Repository updates labels and annotations

[intojhanurag]

Previously, ensurePACRepositoryExists only compared the Spec of the Repository CR.
This commit updates the function to also compare Labels and Annotations, ensuring
the repository resource is fully synced with the desired state.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 54.49%. Comparing base (78f6d41) to head (a79c8dd).
⚠️ Report is 15 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/pipelines/tekton/resources_pac.go	0.00%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3258      +/-   ##
==========================================
- Coverage   54.52%   54.49%   -0.04%     
==========================================
  Files         162      162              
  Lines       19216    19223       +7     
==========================================
- Hits        10478    10475       -3     
- Misses       7694     7703       +9     
- Partials     1044     1045       +1     

Flag	Coverage Δ
e2e	39.66% <0.00%> (-0.03%)	⬇️
e2e go	35.59% <0.00%> (-0.02%)	⬇️
e2e node	30.97% <0.00%> (-0.02%)	⬇️
e2e python	35.23% <0.00%> (-0.02%)	⬇️
e2e quarkus	31.12% <0.00%> (-0.02%)	⬇️
e2e rust	30.56% <0.00%> (-0.02%)	⬇️
e2e springboot	30.59% <0.00%> (-0.02%)	⬇️
e2e typescript	31.08% <0.00%> (-0.02%)	⬇️
integration	17.89% <0.00%> (-0.01%)	⬇️
unit macos-14	44.31% <0.00%> (-0.03%)	⬇️
unit macos-latest	44.31% <0.00%> (-0.03%)	⬇️
unit ubuntu-24.04-arm	44.51% <0.00%> (-0.02%)	⬇️
unit ubuntu-latest	45.24% <0.00%> (-0.03%)	⬇️
unit windows-latest	44.33% <0.00%> (-0.03%)	⬇️

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[intojhanurag]

Hey @lkingland , Is this good to go?

[intojhanurag]

Hey @gauron99 , Can I get a review on this one.

[gauron99]

/lgtm

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gauron99, intojhanurag

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