Merge pull request #42 from UniversityOfHelsinkiCS/renovate/actions-setup-node-4.x

chore(deps): update actions/setup-node action to v4

Author: AleksTeresh

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-node@v3
+    - uses: actions/setup-node@v4
       with:
         node-version: 18