npm(deps-dev): bump the typescript-eslint group with 2 updates

Bumps the typescript-eslint group with 2 updates: [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) and [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser).


Updates `@typescript-eslint/eslint-plugin` from 5.62.0 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)

Updates `@typescript-eslint/parser` from 5.62.0 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/parser/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v6.21.0/packages/parser)

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

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

package.json

@@ -27,8 +27,8 @@
     "@google/clasp": "^2.4.2",
     "@types/google-apps-script": "^1.0.79",
     "@types/jest": "^29.5.11",
-    "@typescript-eslint/eslint-plugin": "^5.60.1",
-    "@typescript-eslint/parser": "^5.60.1",
+    "@typescript-eslint/eslint-plugin": "^6.21.0",
+    "@typescript-eslint/parser": "^6.21.0",
     "eslint": "^8.47.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.1.3",