chore: 🤖 stop using volta-cli/action

because it formats package.json in a way that causes diffs in biome ci

Author: ttskch

.github/workflows/ci.yaml

@@ -13,10 +13,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: volta-cli/action@v4
+      - uses: pnpm/action-setup@v4
+        with:
+          run_install: false
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
-      - uses: pnpm/action-setup@v4
+          cache: pnpm
       - run: pnpm install
       - run: pnpm biome ci
       - run: pnpm test