Remove pnpm setup

Author: DZakh

.github/workflows/ci.yml

@@ -14,7 +14,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: pnpm/action-setup@v2
       - uses: actions/setup-node@v3
         with:
           node-version: 18