Add support for the SameSite sticky cookie attribute

[jjngx]

Proposed changes

This PR adds support for the SameSite attribute for session (sticky) cookies.

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

[codecov]

Codecov Report

Merging #4001 (b2518a9) into main (439ad79) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #4001      +/-   ##
==========================================
+ Coverage   51.84%   51.85%   +0.01%     
==========================================
  Files          59       59              
  Lines       16697    16705       +8     
==========================================
+ Hits         8657     8663       +6     
- Misses       7743     7745       +2     
  Partials      297      297              

Impacted Files	Coverage Δ
internal/configs/version2/http.go	0.00% <ø> (ø)
internal/configs/version2/template_helper.go	75.00% <100.00%> (+5.00%)	⬆️
internal/configs/virtualserver.go	94.55% <100.00%> (+<0.01%)	⬆️
pkg/apis/configuration/validation/virtualserver.go	93.98% <100.00%> (+0.03%)	⬆️

... and 1 file with indirect coverage changes

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues found.

Scanned Manifest Files