Replace glog in healthcheck.go & remove glog dependency

[AlexFenlon]

Proposed changes

• Replacedglog with slog in healthcheck.go
• Completely remove glog from the project - removed from go.mod & go.sum

NOTE:

GLog Levels	Slog Levels
glog.V(3).Infof()	log.Debugf()
glog.V(3).Info()	log.Debug()
glog.V(2).Infof()	log.Debugf()
glog.V(2).Info()	log.Debug()
glog.Infof()	log.Infof()
glog.Info()	log.Info()
glog.Warningf()	log.Warnf()
glog.Warning()	log.Warn()
glog.Errorf()	log.Errorf()
glog.Error()	log.Error()
glog.Fatalf()	log.Fatalf()
glog.Fatal()	log.Fatal()

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[github-actions]

✅ Deploy Preview will be available once build job completes!

Name	Link
😎 Deploy Preview	https://frontdoor-test-docs.nginx.com/previews/nginx-ingress-controller/6628/

---

[codecov]

Codecov Report

Attention: Patch coverage is 23.07692% with 10 lines in your changes missing coverage. Please review.

Project coverage is 53.26%. Comparing base (8cfa485) to head (7c280ac).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/healthcheck/healthcheck.go	23.07%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6628      +/-   ##
==========================================
+ Coverage   53.24%   53.26%   +0.01%     
==========================================
  Files          87       87              
  Lines       16263    16259       -4     
==========================================
  Hits         8660     8660              
+ Misses       7188     7184       -4     
  Partials      415      415              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[jjngx]

🚀