Bump docker/build-push-action from 6.18.0 to 7.1.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.18.0 to 7.1.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](263435318d...bcafcacb16)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: 7.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/reproducible-builds.yml

@@ -97,7 +97,7 @@ jobs:
     - name: Set up docker Buildx
       uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
     - name: Build docker image
-      uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6
+      uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v6
       env:
         DOCKER_BUILD_RECORD_UPLOAD: false
       with: