chore(deps): update devdependency eslint to v9 (unjs#394)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Daniel Roe <[email protected]>

Author: renovate[bot]

Diff for: eslint.config.mjs

@@ -5,4 +5,32 @@ export default antfu({
   rules: {
     'ts/method-signature-style': 'off',
   },
+}).append({
+  files: ['test/**/*.bench.ts'],
+  rules: {
+    'test/consistent-test-it': 'off',
+  },
+}, {
+  files: ['test/**/*.test.ts'],
+  rules: {
+    'regexp/no-dupe-disjunctions': 'off',
+    'regexp/strict': 'off',
+    'regexp/no-useless-assertions': 'off',
+    'regexp/no-useless-backreference': 'off',
+    'regexp/no-empty-group': 'off',
+    'regexp/no-empty-capturing-group': 'off',
+    'regexp/no-useless-non-capturing-group': 'off',
+    'regexp/no-useless-character-class': 'off',
+    'regexp/prefer-d': 'off',
+    'regexp/prefer-character-class': 'off',
+    'regexp/use-ignore-case': 'off',
+    'regexp/optimal-quantifier-concatenation': 'off',
+    'regexp/no-useless-quantifier': 'off',
+    'regexp/prefer-plus-quantifier': 'off',
+  },
+}, {
+  files: ['docs/**/*'],
+  rules: {
+    'regexp/prefer-character-class': 'off',
+  },
 })

Diff for: package.json

@@ -58,15 +58,15 @@
     "unplugin": "^1.8.3"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "2.8.0",
+    "@antfu/eslint-config": "2.19.0",
     "@codspeed/vitest-plugin": "3.1.0",
     "@nuxt/kit": "3.10.3",
     "@types/estree": "1.0.5",
     "@types/node": "20.11.30",
     "@vitest/coverage-v8": "1.3.1",
     "acorn": "8.11.3",
     "bumpp": "9.4.1",
-    "eslint": "8.57.0",
+    "eslint": "9.3.0",
     "expect-type": "0.18.0",
     "lint-staged": "latest",
     "rollup": "4.12.1",
@@ -76,15 +76,15 @@
     "vite": "5.2.11",
     "vitest": "1.3.1"
   },
+  "pnpm": {
+    "patchedDependencies": {
+      "[email protected]": "patches/[email protected]"
+    }
+  },
   "resolutions": {
     "magic-regexp": "link:."
   },
   "simple-git-hooks": {
     "pre-commit": "npx lint-staged"
-  },
-  "pnpm": {
-    "patchedDependencies": {
-      "[email protected]": "patches/[email protected]"
-    }
   }
 }