stop workflows on dev

.github/workflows/ruff.yml

@@ -6,11 +6,9 @@ on:
   push:
     branches:
       - main
-      - dev
   pull_request:
     branches:
       - main
-      - dev
 
 jobs:
   ruff:

.github/workflows/yapf.yml

@@ -6,11 +6,9 @@ on:
   push:
     branches:
       - main
-      - dev
   pull_request:
     branches:
       - main
-      - dev
 jobs:
   yapf:
     runs-on: ubuntu-latest