Update docker-publish.yml

.github/workflows/docker-publish.yml

@@ -38,6 +38,8 @@ jobs:
 
       - name: Install cosign
         uses: sigstore/cosign-installer@v3.4.0
+        with:
+          cosign-release: 'v2.2.2'
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.2.0
@@ -69,20 +71,6 @@ jobs:
           push: true
           platforms: linux/amd64,linux/arm64
           tags: ${{ env.REGISTRY }}/${{ github.repository_owner }}/xboard:latest,${{ env.REGISTRY }}/${{ github.repository_owner }}/xboard,${{ env.REGISTRY }}/${{ github.repository_owner }}/xboard:${{ steps.get_version.outputs.version }}
-
-      # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
-      - name: Sign image with a key
-        run: |
-          images=""
-          for tag in ${TAGS}; do
-            images+="${tag}@${DIGEST} "
-          done
-          cosign sign --yes --key env://COSIGN_PRIVATE_KEY ${images}
-        env:
-          TAGS: ${{ steps.meta.outputs.tags }}
-          COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
-          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
-          DIGEST: ${{ steps.build-and-push.outputs.digest }}
       # Sign the resulting Docker image digest except on PRs.
       # This will only write to the public Rekor transparency log when the Docker
       # repository is public to avoid leaking data.  If you would like to publish