Using the explicit subject name

.github/workflows/dockerhub.yml

@@ -42,6 +42,6 @@ jobs:
       - name: Generate artifact attestation
         uses: actions/attest-build-provenance@v1
         with:
-          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          subject-name: docker.io/dicedb/dice
           subject-digest: ${{ steps.push.outputs.digest }}
           push-to-registry: true