Bump docker/build-push-action from 5.0.0 to 5.1.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5.0.0 to 5.1.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5.0.0...v5.1.0)

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

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

.github/workflows/bats-action.yml

@@ -54,7 +54,7 @@ jobs:
          with:
            driver-opts: network=host
        - name: Build Docker image
-         uses: docker/build-push-action@v5.0.0
+         uses: docker/build-push-action@v5.1.0
          with:
            context: .
            file: ./tests/Dockerfile.amd64-BATS

.github/workflows/installation-action.yml

@@ -50,7 +50,7 @@ jobs:
          with:
            driver-opts: network=host
        - name: Build Docker image
-         uses: docker/build-push-action@v5.0.0
+         uses: docker/build-push-action@v5.1.0
          with:
            context: .
            file: ./tests/Dockerfile.amd64-installation
@@ -89,7 +89,7 @@ jobs:
          with:
            driver-opts: network=host
        - name: Build Docker image
-         uses: docker/build-push-action@v5.0.0
+         uses: docker/build-push-action@v5.1.0
          with:
            context: .
            file: ./tests/Dockerfile.rpi3-installation