test: output json from goreleaser

.github/workflows/release.yaml

@@ -32,3 +32,8 @@ jobs:
           GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
         with:
           args: release --clean
+
+      - name: TEST output json (artifacts)
+        run: echo "{{steps.goreleaser.outputs.artifacts}}"
+      - name: TEST output json (metadata)
+        run: echo "{{steps.goreleaser.outputs.metadata}}"