chore: add debug print of artifacts json blob

Author: smlx

.github/workflows/release.yaml

@@ -69,6 +69,7 @@ jobs:
         subject-path: "dist/*.tar.gz"
     # parse artifacts to the format required for image attestation
     - run: |
+        echo "$ARTIFACTS"
         echo "digest=$(echo "$ARTIFACTS" | jq -r '.[]|select(.type=="Docker Manifest")|select(.name|test("go-cli-github:v"))|.extra.Digest')" >> "$GITHUB_OUTPUT"
         echo "name=$(echo "$ARTIFACTS" | jq -r '.[]|select(.type=="Docker Manifest")|select(.name|test("go-cli-github:v"))|.name|split(":")[0]')" >> "$GITHUB_OUTPUT"
       id: image_metadata_go_cli_github