upgrade: Bump eslint and @types/eslint (#595)

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 9.29.0 to 9.30.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v9.29.0...v9.30.0)

Updates `@types/eslint` from 8.56.12 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-version: 9.30.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: "@types/eslint"
  dependency-version: 9.6.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -35,7 +35,7 @@
     "@eslint/js": "^9.29.0",
     "@release-it/conventional-changelog": "^8.0.1",
     "@types/chai": "^5.2.2",
-    "@types/eslint": "^8.0.0",
+    "@types/eslint": "^9.6.1",
     "@types/eslint-plugin-markdown": "^2.0.2",
     "@types/eslint-plugin-mocha": "^10.4.0",
     "@types/eslint-utils": "^3.0.5",