Update actions/setup-node action to v4 (#48)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/workflow.yml

@@ -17,7 +17,7 @@ jobs:
       TZ: Europe/Amsterdam
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           registry-url: https://registry.npmjs.org/
@@ -33,7 +33,7 @@ jobs:
       TZ: Europe/Amsterdam
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           registry-url: https://registry.npmjs.org/