CI: switch to Node.js 18

.github/workflows/ci.yml

@@ -42,9 +42,9 @@ jobs:
         node: [12, 14, 16, 18]
         include:
           - os: windows-latest
-            node: 16
+            node: 18
           - os: macos-latest
-            node: 16
+            node: 18
 
     steps:
       - name: Clone repository
@@ -74,7 +74,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node: [16]
+        node: [18]
 
     steps:
       - name: Clone repository
@@ -107,7 +107,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
           registry-url: 'https://registry.npmjs.org'
 
       - name: Publish on npm