ci: require node 18.18.2 for workflow jobs

Without #5990, this breaks on 18.19.x and above. See: #5910.

.github/actions/setup-js-env/action.yml

@@ -5,7 +5,7 @@ runs:
   steps:
     - uses: actions/setup-node@v3
       with:
-        node-version: '18'
+        node-version: '18.18.2'
         cache: 'npm'
 
     - name: Install Dependencies