fix(ci): use pnpm to install @blocklet/cli to fix Joi dependency resolution

Author: zcoderr

.github/workflows/main.yml

@@ -30,6 +30,7 @@ jobs:
       - name: Blocklet workflow
         uses: blocklet/action-workflow@v1
         with:
+          deps-npm-client: pnpm
           deps-server-version: '1.17.10'
           skip-upload: false
           skip-deploy: true