build(deps): bump docker/build-push-action from 5.1.0 to 5.3.0 (#3243)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5.1.0 to 5.3.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/4a13e500e55cf31b7a5d59a38ab2040ab0f42f56...2cdde995de11925a030ce8070c3d77a52ffcf1c0

)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/build-container.yml

@@ -39,7 +39,7 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
       - name: Build and push Docker image
-        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
+        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0
         with:
           context: ./contrib/docker
           push: ${{ github.repository_owner == 'freifunk-gluon' && github.event_name == 'push' }}