chore(logs): modifying the capitalization consistency of the logs - Part 2

[pangruoran]

What this PR does / why we need it:

Which issue this PR fixes:
part of #3708

more about admission.

Special notes for your reviewer:

It has been split from PR #4992 to make it easier to review.
PR Readiness Checklist:

Complete these before marking the PR as ready to review:

• the CHANGELOG.md release notes have been updated to reflect any significant (and particularly user-facing) changes introduced by this PR

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (dce791d) 75.5% compared to head (ada3b6e) 75.5%.
Report is 6 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #5035   +/-   ##
=====================================
  Coverage   75.5%   75.5%           
=====================================
  Files        167     167           
  Lines      18848   18881   +33     
=====================================
+ Hits       14238   14274   +36     
+ Misses      3783    3782    -1     
+ Partials     827     825    -2     

Files	Coverage Δ
internal/admission/validation/gateway/httproute.go	90.0% <80.0%> (ø)
internal/admission/validation/ingress/ingress.go	90.0% <0.0%> (ø)
internal/admission/validator.go	73.4% <50.0%> (ø)

... and 7 files with indirect coverage changes

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