Bump nginx from 1.27.3-bookworm to 1.27.4-bookworm in /nginx (#13)

Bumps nginx from 1.27.3-bookworm to 1.27.4-bookworm.

---
updated-dependencies:
- dependency-name: nginx
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

nginx/Dockerfile

@@ -6,7 +6,7 @@
 # ----------------------------------------------------------------------------     #
 
 # Here the magic, the rest of it is ordinary
-FROM nginx:1.27.3-bookworm
+FROM nginx:1.27.4-bookworm
 
 # Install necessary packages
 RUN apt-get update && apt-get install -y \