chore(dev-deps): bump @typescript-eslint/eslint-plugin

Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 6.18.0 to 6.21.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v6.21.0/packages/eslint-plugin)

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

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

package.json

@@ -37,7 +37,7 @@
     "@types/inquirer": "^8.2.6",
     "@types/mocha": "^10.0.6",
     "@types/node": "^20.10.6",
-    "@typescript-eslint/eslint-plugin": "^6.18.0",
+    "@typescript-eslint/eslint-plugin": "^6.21.0",
     "chai": "^4.4.0",
     "eslint": "^8.56.0",
     "eslint-config-oclif": "^5.0.0",