Bump docker/build-push-action from 5 to 6 in the gha-dependencies group

Bumps the gha-dependencies group with 1 update: [docker/build-push-action](https://github.com/docker/build-push-action).


Updates `docker/build-push-action` from 5 to 6
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/push.yaml

@@ -23,7 +23,7 @@ jobs:
         run: aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin public.ecr.aws/s6w2n1r6
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile

.github/workflows/release.yaml

@@ -26,7 +26,7 @@ jobs:
         run: aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin public.ecr.aws/s6w2n1r6
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile