Attest release image

Author: dflook

.github/workflows/release.yaml

@@ -41,7 +41,7 @@ jobs:
 
       - name: Registry login
         env:
-          GITHUB_TOKEN: ${{ secrets.RELEASE_GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
         run: |
           echo $GITHUB_TOKEN | docker login ghcr.io --username dflook --password-stdin