chore(deps): bump docker/build-push-action in the all group (#188)

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


Updates `docker/build-push-action` from 6.11.0 to 6.12.0
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v6.11.0...v6.12.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/packages.yml

@@ -28,7 +28,7 @@ jobs:
         with:
           images: ghcr.io/stac-utils/stac-fastapi-pgstac
       - name: Build and push Docker image
-        uses: docker/build-push-action@v6.11.0
+        uses: docker/build-push-action@v6.12.0
         with:
           context: .
           file: Dockerfile