fix: update action versions

Author: timdeschryver

.github/workflows/ci.yml

@@ -30,9 +30,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: use Node.js ${{ matrix.node-version }} on ${{ matrix.os }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: ${{ matrix.node-version }}
           registry-url: 'https://registry.npmjs.org'