Update tests.yml

 update node version for unit tests

Author: 0x41head

.github/workflows/tests.yml

@@ -8,10 +8,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: Use Node.js 16.16.0
-      uses: actions/setup-node@v1
+    - name: Use Node.js 18
+      uses: actions/setup-node@v4
       with:
-        node-version: 16.0
+        node-version: 18
     - name: Install dependencies
       run: npm install --legacy-peer-deps
     - name: Test