fix: no need set permissions here

.github/workflows/docker-image.yml

@@ -5,11 +5,6 @@ on:
     branches:
       - main
 
-# 写入/读取 package 权限，用于推送到 GHCR (ghcr.io)
-permissions:
-  contents: read
-  packages: write
-
 jobs:
   build-and-push:
     runs-on: ubuntu-latest

.github/workflows/sync.yml

@@ -1,8 +1,5 @@
 name: Upstream Sync
 
-permissions:
-  contents: write
-
 on:
   schedule:
     - cron: "0 */6 * * *" # run every 6 hours