Bump docker/build-push-action from 6.19.2 to 7.0.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.19.2 to 7.0.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@10e90e3...d08e5c3)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -43,7 +43,7 @@ jobs:
           install: true
 
       - name: Build Docker image and store in cache
-        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294
         with:
           context: .
           push: false