Bump eslint and @types/eslint

Bumps [eslint](https://github.com/eslint/eslint) and [@types/eslint](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/eslint). These dependencies needed to be updated together.

Updates `eslint` from 9.8.0 to 9.18.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v9.8.0...v9.18.0)

Updates `@types/eslint` from 8.56.10 to 9.6.1
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/eslint)

---
updated-dependencies:
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: "@types/eslint"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -29,13 +29,13 @@
     "zod": "3.24.1"
   },
   "devDependencies": {
-    "@types/eslint": "8.56.10",
+    "@types/eslint": "9.6.1",
     "@types/node": "22.10.6",
     "@types/react": "18.3.13",
     "@types/react-dom": "18.3.1",
     "@typescript-eslint/eslint-plugin": "8.20.0",
     "@typescript-eslint/parser": "8.19.1",
-    "eslint": "9.8.0",
+    "eslint": "9.18.0",
     "eslint-config-next": "15.1.4",
     "postcss": "8.5.0",
     "prettier": "3.4.2",