fix(ci): Update container-publish digest

Author: GeekMasher

.github/workflows/container-publish.yml

@@ -90,7 +90,7 @@ jobs:
         uses: actions/attest-build-provenance@c074443f1aee8d4aeeae555aebba3282517141b2  # v2.2.3
         with:
           subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          subject-digest: ${{ steps.push.outputs.digest }}
+          subject-digest: ${{ steps.build.outputs.digest }}
           push-to-registry: true
 
       # - name: Attest Container SBOM