Update workflow

.github/workflows/main.yml

@@ -1,33 +1,31 @@
 name: Check file size and Sync to Hugging Face hub
-
 on:
   push:
     branches: [main]
-
   pull_request:
     branches: [main]
-
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   check-file-size:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v3
       - name: Check large files
         uses: ActionsDesk/lfs-warning@v2.0
         with:
           filesizelimit: 10485760 # 10MB
-
   sync-to-hub:
     needs: check-file-size
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
           lfs: true
-
       - name: Push to hub
         env:
           HF_TOKEN: ${{ secrets.HF_TOKEN }}