Bump docker/build-push-action from 4 to 5 (#74)

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

.github/workflows/push-image.yml

@@ -37,7 +37,7 @@ jobs:
                       ${{ runner.os }}-
             - name: Build and push unstable
               id: docker_build
-              uses: docker/build-push-action@v4
+              uses: docker/build-push-action@v5
               with:
                   cache-from: type=local,src=/tmp/.buildx-cache
                   cache-to: type=local,dest=/tmp/.buildx-cache
@@ -50,7 +50,7 @@ jobs:
               run: echo "tag=${GITHUB_REF:10}" >>"$GITHUB_OUTPUT"
             - name: Build and push release
               if: ${{ github.event_name == 'release' }}
-              uses: docker/build-push-action@v4
+              uses: docker/build-push-action@v5
               with:
                   cache-from: type=local,src=/tmp/.buildx-cache
                   cache-to: type=local,dest=/tmp/.buildx-cache