Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) and [docker/build-push-action](https://github.com/docker/build-push-action).


Updates `dependabot/fetch-metadata` from 1 to 2
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@v1...v2)

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: dependabot/fetch-metadata
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

.github/workflows/dependabot-auto-merge.yaml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v1
+        uses: dependabot/fetch-metadata@v2
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
 

.github/workflows/main.yml

@@ -40,7 +40,7 @@ jobs:
           password: "${{ steps.auth.outputs.access_token }}"
       - name: Build and push
         if: github.ref == 'refs/heads/main'
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: Dockerfile