chore: update to eslint 9

Author: RomainLanz

eslint.config.js

@@ -0,0 +1,5 @@
+import { configPkg } from '@adonisjs/eslint-config'
+
+export default configPkg({
+  ignores: ['coverage'],
+})

package.json

@@ -28,7 +28,7 @@
     "release": "release-it",
     "version": "npm run build",
     "prepublishOnly": "npm run build",
-    "lint": "eslint . --ext=.ts",
+    "lint": "eslint .",
     "format": "prettier --write .",
     "quick:test": "node --import=ts-node-maintained/register/esm bin/test.ts"
   },
@@ -43,7 +43,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@adonisjs/eslint-config": "^1.3.0",
+    "@adonisjs/eslint-config": "^2.0.0-beta.7",
     "@adonisjs/prettier-config": "^1.3.0",
     "@adonisjs/tsconfig": "^1.3.0",
     "@commitlint/cli": "^19.2.2",
@@ -58,7 +58,7 @@
     "c8": "^9.1.0",
     "cross-env": "^7.0.3",
     "del-cli": "^5.1.0",
-    "eslint": "^8.56.0",
+    "eslint": "^9.18.0",
     "husky": "^9.0.11",
     "prettier": "^3.2.5",
     "release-it": "^17.2.0",