Update checkout & setup-node actions to v4

Author: Oblosys

.github/workflows/build-test.yml

@@ -10,9 +10,9 @@ jobs:
       matrix:
         node-version: [20.x, 22.x, 23.x]
     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: 'yarn'