fix regression job

[vepatel]

Proposed changes

• add v5 image to regression CI
• add skip_oss marker to waf v5 test

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

All modified and coverable lines are covered by tests ✅

Project coverage is 53.24%. Comparing base (fdedba6) to head (7b217e6).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6489      +/-   ##
==========================================
+ Coverage   53.21%   53.24%   +0.02%     
==========================================
  Files          85       85              
  Lines       16016    16016              
==========================================
+ Hits         8523     8527       +4     
+ Misses       7085     7083       -2     
+ Partials      408      406       -2     

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