Update check-filesize.yml

.github/workflows/check-filesize.yml

@@ -1,11 +1,13 @@
 name: Check file size
-on:               # or directly `on: [push]` to run the action on every push on any branch
+
+on:
   pull_request:
     branches: [main]
-
-  # to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+permissions:
+  contents: read 
+
 jobs:
   sync-to-hub:
     runs-on: ubuntu-latest
@@ -13,4 +15,4 @@ jobs:
       - name: Check large files
         uses: ActionsDesk/lfs-warning@v2.0
         with:
-          filesizelimit: 10485760 # this is 10MB so we can sync to HF Spaces
+          filesizelimit: 10485760