chore: use node 22 LTS (#496)

Author: nihalgonsalves

.github/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
       - run: corepack enable
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
           cache: yarn
       - run: yarn install --immutable
       - run: yarn format:check

README.md

@@ -9,7 +9,7 @@ TypeScript template repository with typescript-eslint (airbnb config) and ts-nod
 Dependabot keeps the dependencies up to date.
 
 - **Build tool**: yarn (can be replaced with npm: `rm yarn.lock && npm install`)
-- **Target Node version**: 18.x (es2023)
+- **Target Node version**: 22.x ([es2023](https://github.com/microsoft/TypeScript/wiki/Node-Target-Mapping))
 - **Structure**: `src/` for TypeScript source files and `build/` for output
 - Also includes a default `.editorconfig` with 2-space indents
 
@@ -24,17 +24,4 @@ Scripts:
 
 ## use with react
 
-```diff
-diff --git a/.eslintrc b/.eslintrc
-index e755856..bbaeee5 100644
---- a/.eslintrc
-+++ b/.eslintrc
-@@ -1,3 +1,6 @@
-{
--  "extends": ["./node_modules/@nihalgonsalves/esconfig/.eslintrc"]
-+  "extends": [
-+    "./node_modules/@nihalgonsalves/esconfig/.eslintrc",
-+    "./node_modules/@nihalgonsalves/esconfig/.eslintrc.react"
-+  ]
-}
-```
+See <https://github.com/nihalgonsalves/esconfig>

package.json

@@ -5,7 +5,7 @@
   "type": "module",
   "author": "",
   "license": "",
-  "packageManager": "[email protected].0+sha512.837566d24eec14ec0f5f1411adb544e892b3454255e61fdef8fd05f3429480102806bac7446bc9daff3896b01ae4b62d00096c7e989f1596f2af10b927532f39",
+  "packageManager": "[email protected].1+sha512.341db9396b6e289fecc30cd7ab3af65060e05ebff4b3b47547b278b9e67b08f485ecd8c79006b405446262142c7a38154445ef7f17c1d5d1de7d90bf9ce7054d",
   "scripts": {
     "dev": "tsx src/index.ts",
     "start": "NODE_ENV=production node build/index.js",
@@ -16,13 +16,13 @@
     "format:check": "prettier . --check"
   },
   "devDependencies": {
-    "@nihalgonsalves/esconfig": "^0.10.13",
-    "@types/node": "20",
-    "eslint": "^9.13.0",
+    "@nihalgonsalves/esconfig": "^0.10.14",
+    "@types/node": "^22",
+    "eslint": "^9.14.0",
     "lefthook": "^1.8.2",
     "prettier": "^3.3.3",
     "tsx": "^4.19.2",
     "typescript": "^5.6.3",
-    "typescript-eslint": "^8.12.2"
+    "typescript-eslint": "^8.13.0"
   }
 }