chore(deps-dev): Bump @typescript-eslint/parser in /apps/flexfields

Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 6.21.0 to 7.15.0.
- [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/v7.15.0/packages/parser)

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

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

apps/flexfields/package.json

@@ -55,7 +55,7 @@
     "@types/react": "18.0.9",
     "@types/react-dom": "18.0.3",
     "@typescript-eslint/eslint-plugin": "^6.21.0",
-    "@typescript-eslint/parser": "^6.21.0",
+    "@typescript-eslint/parser": "^7.15.0",
     "cross-env": "7.0.3",
     "typescript": "5.4.3"
   },