Update actions/setup-node action to v4

| datasource  | package            | from | to |
| ----------- | ------------------ | ---- | -- |
| github-tags | actions/setup-node | v3   | v4 |


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

Author: renovate[bot]

.github/workflows/continuous-integration.yml

@@ -133,7 +133,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - uses: "actions/checkout@v4"
-      - uses: "actions/setup-node@v3"
+      - uses: "actions/setup-node@v4"
         with:
           check-latest: true
           node-version: 20
@@ -146,7 +146,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - uses: "actions/checkout@v4"
-      - uses: "actions/setup-node@v3"
+      - uses: "actions/setup-node@v4"
         with:
           check-latest: true
           node-version: 20