fix wrong branch

Author: ddevsr

.github/workflows/label-signing.yml

@@ -2,10 +2,8 @@ name: Check Signed PR
 on:
   pull_request:
     branches:
-      - 'dev'
-  push:
-    branches:
-      - 'dev'
+      - 'develop'
+      - '4.*'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}