Bump macbre/nginx-http3 from 1.29.3 to 1.29.4 (#6)

Bumps [macbre/nginx-http3](https://github.com/macbre/docker-nginx-http3) from 1.29.3 to 1.29.4.
- [Release notes](https://github.com/macbre/docker-nginx-http3/releases)
- [Commits](macbre/docker-nginx-http3@v1.29.3...v1.29.4)

---
updated-dependencies:
- dependency-name: macbre/nginx-http3
  dependency-version: 1.29.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

docker-compose.yml

@@ -4,7 +4,7 @@ services:
 
   # https://doc.traefik.io/traefik/getting-started/install-traefik/
   cdn:
-    image: ghcr.io/macbre/nginx-http3:1.29.3
+    image: ghcr.io/macbre/nginx-http3:1.29.4
     container_name: elecena-cdn
     hostname: cdn.elecena.pl
     restart: always