Merge branch 'main' of https://github.com/gwtproject/gwt into java11-emul

Author: zbynek

.github/workflows/full-check.yml

@@ -15,6 +15,8 @@ on:
       - 'main'
       - 'release/*'
       - '*-test'
+  workflow_dispatch:
+    # Allow running manually
 jobs:
   build:
     runs-on: ubuntu-latest