try node 18

Author: cyrilletuzi

.github/workflows/main.yml

@@ -19,8 +19,8 @@ jobs:
     - name: Setup Node
       uses: actions/setup-node@v3
       with:
-        # unit tests with Karma are failing with Node 22
-        node-version: '20'
+        # unit tests with Karma are failing with Node 20/22
+        node-version: '18'
     - name: Install dependencies
       # run: npm ci
       run: npm install --force