ci: change permission for compare to work with forks

Author: schirrel

.github/workflows/size.yml

@@ -72,7 +72,10 @@ jobs:
   compare:
     runs-on: ubuntu-latest
     needs: [build-base, build-head]
-    permissions: write-all # testing if it fix for forks
+    permissions:
+      contents: write
+      pull-requests: write
+      repository-projects: write
     strategy:
       matrix:
         package: [nuxi, nuxt-cli, create-nuxt-app]