switch to using static file for version

[pdabelf5]

Proposed changes

Ensure versions are correct for immutable binaries & container images.
This change will make edge container images contain a nginx-ingress binary that will advertise itself as the next up & coming release, rather than edge.

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 ✅

Comparison is base (e02f2bd) 52.32% compared to head (78816fb) 52.29%.
Report is 2 commits behind head on main.

❗ Current head 78816fb differs from pull request most recent head ac6c17e. Consider uploading reports for the commit ac6c17e to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4973      +/-   ##
==========================================
- Coverage   52.32%   52.29%   -0.03%     
==========================================
  Files          60       60              
  Lines       17501    17501              
==========================================
- Hits         9157     9153       -4     
- Misses       8016     8018       +2     
- Partials      328      330       +2     

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