Drop support for Node v18 (#368)

Author: munierujp

.github/workflows/lint.yml

@@ -5,8 +5,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        # https://nodejs.org/en/about/releases/
-        node-version: ['18', '20', '22']
+        # https://nodejs.org/en/about/previous-releases
+        node-version: ['20', '22']
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4

README.md

@@ -19,7 +19,7 @@ Recommended ESLint Shareable Config for TypeScript
 
 ## Requirements
 
-- Node.js v18 or later
+- Node.js v20 or later
 - ESLint v8
 
 ## Installation

package-lock.json

@@ -10,7 +10,7 @@
     "index.js"
   ],
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   },
   "peerDependencies": {
     "@eslint-community/eslint-plugin-eslint-comments": "^4.0.0",