Bump the github-actions group with 2 updates

Bumps the github-actions group with 2 updates: [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) and [docker/build-push-action](https://github.com/docker/build-push-action).


Updates `sigstore/cosign-installer` from 3.5.0 to 3.6.0
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@59acb62...4959ce0)

Updates `docker/build-push-action` from 6.5.0 to 6.7.0
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@5176d81...5cd11c3)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

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

.github/workflows/docker-publish.yml

@@ -41,7 +41,7 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 #v3.5.0
+        uses: sigstore/cosign-installer@4959ce089c160fddf62f7b42464195ba1a56d382 #v3.6.0
         with:
           cosign-release: 'v2.2.3'
 
@@ -73,7 +73,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@5176d81f87c23d6fc96624dfdbcd9f3830bbe445 # v6.5.0
+        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
         with:
           file: scripts/Dockerfile
           context: .