chore: use node 18 and npm 8

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v2.3.1
       - uses: actions/setup-node@v1
         with:
-          node-version: 'lts/*'
+          node-version: 18
       - run: npm ci --no-optional
       - run: npm test
 

.github/workflows/deploy.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 'lts/*'
+          node-version: 18
           cache: 'npm'
 
       - name: Build

package.json

@@ -22,6 +22,10 @@
       "react-app/jest"
     ]
   },
+  "engines": {
+    "node": "18.x",
+    "npm": "8.x"
+  },
   "browserslist": {
     "production": [
       ">0.2%",