ci(ci.yaml): Use minimal supported Node.js version

Author: flovogt

.github/workflows/ci.yml

@@ -16,10 +16,10 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
-    - name: Use Node.js 20.11.0
+    - name: Use minimal supported Node.js version
       uses: actions/setup-node@v6
       with:
-        node-version: 20.11.0
+        node-version: 20.17.0
 
     - name: Install dependencies
       run: npm ci