Update GitHub Actions workflow to target the correct repository for release process

Author: ndelangen

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       id-token: write #  required for provenance and oidc publish
 
       # prevents this action from running on forks
-    if: github.repository == 'storybookjs/mcp'
+    if: github.repository == 'storybookjs/addon-cssresources'
 
     name: Release
     runs-on: ubuntu-latest