execute build on any push or pull request from forked repo

Author: slawekjaranowski

.github/workflows/maven.yml

@@ -79,6 +79,9 @@ jobs:
   build:
     name: fail-fast-build
     runs-on: ubuntu-latest
+    # execute on any push or pull request from forked repo
+    if: github.event_name == 'push' || ( github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork )
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4