chore: fix ci problem

Author: moonrailgun

.github/workflows/admin.yaml

@@ -30,7 +30,7 @@ jobs:
             ${{ runner.os }}-
       - uses: pnpm/action-setup@v2.0.1
         with:
-          version: latest
+          version: 8.15.8
           run_install: false
       - name: Install packages
         run: pnpm install --frozen-lockfile