Update gradle.yml (#373)

force github action to pull updated dependencies

.github/workflows/gradle.yml

@@ -2,7 +2,7 @@ name: Java CI
 on:
   push:
     branches:
-      - '[3-9]+.[0-9]+.x'
+      - '[3-9]+.[0-9]+.x' 
   pull_request:
     branches:
       - '[3-9]+.[0-9]+.x'