Update maven.yml

Signed-off-by: Ryan Baxter <[email protected]>

Author: ryanjbaxter

.github/workflows/maven.yml

@@ -5,7 +5,7 @@ name: Build
 
 on:
   push:
-    branches: [ main, 3.1.x ]
+    branches: [ main, 4.1.x, 3.1.x ]
   pull_request:
     branches: [ main, 4.1.x, 3.1.x ]