Update CI config

Author: XhmikosR

.github/workflows/ci.yml

@@ -13,16 +13,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [16]
+        node: [14, 16, 18]
 
     steps:
       - name: Clone repository
         uses: actions/checkout@v3
+        with:
+          persist-credentials: false
 
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
           node-version: "${{ matrix.node }}"
+          cache: npm
 
       - name: Install npm dependencies
         run: npm ci