Bump docker/build-push-action from 6.0.2 to 6.1.0 in the ci group

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


Updates `docker/build-push-action` from 6.0.2 to 6.1.0
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](f6010ea701...31159d49c0)

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

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

.github/workflows/nightly.yaml

@@ -22,7 +22,7 @@ jobs:
         id: buildx
         uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
       - name: Build multi-arch container image
-        uses: docker/build-push-action@f6010ea70151369b06f0194be1051fbbdff851b2 # v6.0.2
+        uses: docker/build-push-action@31159d49c0d4756269a0940a750801a1ea5d7003 # v6.1.0
         with:
           push: false
           builder: ${{ steps.buildx.outputs.name }}

.github/workflows/release.yml

@@ -68,7 +68,7 @@ jobs:
             type=raw,value=${{ steps.prep.outputs.VERSION }}
       - name: Publish images
         id: build-push
-        uses: docker/build-push-action@f6010ea70151369b06f0194be1051fbbdff851b2 # v6.0.2
+        uses: docker/build-push-action@31159d49c0d4756269a0940a750801a1ea5d7003 # v6.1.0
         with:
           sbom: true
           provenance: true