Bump eslint from 9.20.1 to 9.21.0 in /src/TodoApp (#1344)

Bumps [eslint](https://github.com/eslint/eslint) from 9.20.1 to 9.21.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v9.20.1...v9.21.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/TodoApp/package-lock.json

@@ -24,7 +24,7 @@
     "@types/jquery": "^3.5.32",
     "@typescript-eslint/eslint-plugin": "^8.24.1",
     "@typescript-eslint/parser": "^8.24.1",
-    "eslint": "^9.20.1",
+    "eslint": "^9.21.0",
     "eslint-config-prettier": "^10.0.1",
     "eslint-plugin-jest": "^28.11.0",
     "globals": "^16.0.0",