Bump the prod-patch-updates group in /frontend with 2 updates

Bumps the prod-patch-updates group in /frontend with 2 updates: [@tanstack/react-query](https://github.com/TanStack/query/tree/HEAD/packages/react-query) and [country-flag-icons](https://gitlab.com/catamphetamine/country-flag-icons).


Updates `@tanstack/react-query` from 5.90.20 to 5.90.21
- [Release notes](https://github.com/TanStack/query/releases)
- [Changelog](https://github.com/TanStack/query/blob/main/packages/react-query/CHANGELOG.md)
- [Commits](https://github.com/TanStack/query/commits/@tanstack/react-query@5.90.21/packages/react-query)

Updates `country-flag-icons` from 1.6.12 to 1.6.13
- [Changelog](https://gitlab.com/catamphetamine/country-flag-icons/blob/master/CHANGELOG.md)
- [Commits](https://gitlab.com/catamphetamine/country-flag-icons/compare/v1.6.12...v1.6.13)

---
updated-dependencies:
- dependency-name: "@tanstack/react-query"
  dependency-version: 5.90.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: prod-patch-updates
- dependency-name: country-flag-icons
  dependency-version: 1.6.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: prod-patch-updates
...

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

frontend/package.json

@@ -18,11 +18,11 @@
 	"dependencies": {
 		"@tabler/core": "^1.4.0",
 		"@tabler/icons-react": "^3.36.1",
-		"@tanstack/react-query": "^5.90.20",
+		"@tanstack/react-query": "^5.90.21",
 		"@tanstack/react-table": "^8.21.3",
 		"@uiw/react-textarea-code-editor": "^3.1.1",
 		"classnames": "^2.5.1",
-		"country-flag-icons": "^1.6.12",
+		"country-flag-icons": "^1.6.13",
 		"date-fns": "^4.1.0",
 		"ez-modal-react": "^1.0.5",
 		"formik": "^2.4.9",