update ci to call pnpm instead of npm

Author: emilefokkemanavara

.github/workflows/node.js.yml

@@ -21,7 +21,10 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: ${{ matrix.node-version }}
-      - run: npm ci
-      - run: npm run build --if-present
-      - run: npm run lint
-      - run: npm test
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
+      - run: pnpm install
+      - run: pnpm run build
+      - run: pnpm run lint
+      - run: pnpm run test