Update mvn-Java11.yml

Author: enridaga

.github/workflows/mvn-Java11.yml

@@ -6,9 +6,9 @@ name: Maven build with Java 11
 on:
   # Triggers the workflow on push or pull request events but only for the master branch
   push:
-    branches: [ master ]
+    branches: [ v0.9-java11 ]
   pull_request:
-    branches: [ master ]
+    branches: [ v0.9-java11 ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: