CI: Remove concurrency limits for push workflow

.github/workflows/push.yaml

@@ -11,9 +11,6 @@ on:
       - '*'
 permissions:
   contents: write
-concurrency:
-  group: '${{ github.workflow }} @ ${{ github.ref }}'
-  cancel-in-progress: false
 jobs:
   check-format:
     name: Format 🔍