update setup-node to v4

.github/workflows/test.yml

@@ -4,22 +4,18 @@ on:
   push:
     branches: [ $default-branch ]
   pull_request:
-    branches: [ $default-branch ]
-
+    types: [opened, synchronize]
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x]
+        node-version: [12.x, 14.x, 16.x, 20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-
     steps:
-      - uses: actions/checkout@v3
+      - 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 }}
           cache: 'npm'