Update nginx Docker tag to v1.27.4 (#3099)

[lucacome]

datasource	package	from	to
docker	nginx	1.27.3	1.27.4

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
(cherry picked from commit b6a51d1)

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

Release notes

If this PR introduces a change that affects users and needs to be mentioned in the release notes,
please add a brief note that summarizes the change.

NONE 

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.95%. Comparing base (b283177) to head (2a67d9a).
Report is 1 commits behind head on release-1.6.

Additional details and impacted files

@@ Coverage Diff @@ ## release-1.6 #3102 +/- ## ============================================ Coverage 89.95% 89.95% ============================================ Files 111 111 Lines 11453 11453 Branches 50 50 ============================================ Hits 10303 10303 Misses 1089 1089 Partials 61 61 

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