Bump docker/build-push-action from 4 to 5

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 4 to 5.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v4...v5)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -66,7 +66,7 @@ jobs:
         uses: docker/setup-buildx-action@v2
 
       - name: Build
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: ${{ matrix.variant }}
           tags: yourls-test:${{ needs.metadata.outputs.version }}-${{ matrix.variant }}

.github/workflows/release.yml

@@ -136,7 +136,7 @@ jobs:
             type=semver,enable=${{ matrix.variant == 'apache' }},pattern={{major}},priority=300,value=${{ inputs.version }}
 
       - name: Docker build and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         id: build
         with:
           context: ./${{ matrix.variant }}/