chore(deps): update docker/build-push-action action to v6

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
docker/build-push-action	action	major	v5 -> v6

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Release Notes

docker/build-push-action (docker/build-push-action)

v6

Compare Source

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.68%. Comparing base (61bce3c) to head (f4e4551).
Report is 18 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #649      +/-   ##
==========================================
- Coverage   98.69%   98.68%   -0.01%     
==========================================
  Files          50       50              
  Lines        8492     8461      -31     
==========================================
- Hits         8381     8350      -31     
  Misses        111      111              

Flag	Coverage Δ
unittests	98.68% <ø> (-0.01%)	⬇️

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