Bump @typescript-eslint/parser from 6.20.0 to 6.21.0 in /it/typescript

Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 6.20.0 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/parser"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

it/typescript/package.json

@@ -21,7 +21,7 @@
     "@es-exec/esbuild-plugin-start": "^0.0.5",
     "@types/node": "^20.11.16",
     "@typescript-eslint/eslint-plugin": "^6.21.0",
-    "@typescript-eslint/parser": "^6.20.0",
+    "@typescript-eslint/parser": "^6.21.0",
     "esbuild": "^0.20.0",
     "eslint": "^8.56.0",
     "eslint-config-prettier": "^9.1.0",