Use secrets.GITHUB_TOKEN instead of github.token

Trying to fix the problem when pulling from ghcr.io: Error response from daemon: manifest unknown

Author: liuchengxu

.github/workflows/docker.yml

@@ -51,7 +51,7 @@ jobs:
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
-          password: ${{ github.token }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Extract Docker metadata
         id: meta