Use disperse action

.github/workflows/disperse.yml

@@ -2,8 +2,7 @@
 name: Disperse configuration
 
 "on":
-  push:
-    branches: [ main, master ]
+  - push
 
 jobs:
   build:
@@ -11,5 +10,5 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v2
       - uses: jelmer/action-disperse-validate@v1