ci: fix cache maintenance repo context

Author: 刘威

.github/workflows/cache-maintenance.yml

@@ -23,10 +23,11 @@ jobs:
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       KEEP_PER_KEY: ${{ inputs.keep_per_key || '2' }}
+      REPO: ${{ github.repository }}
 
     steps:
       - name: List caches
-        run: gh cache list --limit 1000 --json createdAt,id,key,lastAccessedAt,ref,sizeInBytes > caches.json
+        run: gh cache list --repo "$REPO" --limit 1000 --json createdAt,id,key,lastAccessedAt,ref,sizeInBytes > caches.json
 
       - name: Select stale caches
         shell: bash
@@ -96,6 +97,6 @@ jobs:
           while IFS= read -r cache_id; do
             if [ -n "$cache_id" ]; then
               echo "Deleting cache $cache_id"
-              gh cache delete "$cache_id"
+              gh cache delete "$cache_id" --repo "$REPO"
             fi
           done < stale-cache-ids.txt