chore: Update actions (#84)

Author: phated

.github/workflows/ci.yml

@@ -11,15 +11,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ["4", "6", "8", "10", "12", "14", "16", "18"]
+        node: ["4", "6", "8", "10", "12", "14", "16", "18", "20"]
         os: [ubuntu-latest, windows-latest, macos-13]
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set Node.js version
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}