Update ghcr.io/nginx/dependencies/nginx-ubi:ubi9 Docker digest to 7ec723b

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/nginx/dependencies/nginx-ubi	stage	digest	77b206a -> 7ec723b

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.97%. Comparing base (4b8eb18) to head (39daa38).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4152      +/-   ##
==========================================
- Coverage   85.99%   85.97%   -0.02%     
==========================================
  Files         131      131              
  Lines       14063    14063              
  Branches       35       35              
==========================================
- Hits        12093    12091       -2     
- Misses       1770     1771       +1     
- Partials      200      201       +1     

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