update node action

Author: Radu Popa

.github/workflows/pr.yaml

@@ -24,7 +24,7 @@ jobs:
       - name: checkout repo
         uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - name: Yarn install, build and test