Upgrade CI to actions v4

Author: TheSpyder

.github/workflows/ci.yml

@@ -13,8 +13,8 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: yarn