Update maven-deploy.yml

Author: JulianFun123

.github/workflows/maven-deploy.yml

@@ -1,5 +1,9 @@
 name: Maven Deploy
-on: [push]
+on:
+  push:
+    branches:
+    - master
+    
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -33,4 +37,4 @@ jobs:
         run: mvn deploy -B -s build/settings.xml -Dmaven.test.skip=true
         env:
           DEPLOYMENT_USERNAME: ${{ secrets.DEPLOYMENT_USERNAME }}
-          DEPLOYMENT_PASSWORD: ${{ secrets.DEPLOYMENT_PASSWORD }}
+          DEPLOYMENT_PASSWORD: ${{ secrets.DEPLOYMENT_PASSWORD }}