Bump dependencies for CI

Author: tvdijen

.github/workflows/test.yml

@@ -13,11 +13,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version: 20
+          node-version: 26
 
       - name: Install dependencies
         run: npm ci