Bump vite from 5.4.20 to 5.4.21 in /frontend (#39)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 5.4.20 to 5.4.21.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v5.4.21/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v5.4.21/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 5.4.21
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Colin Toft <47548563+ColinToft@users.noreply.github.com>

Author: dependabot[bot]

frontend/package.json

@@ -83,6 +83,6 @@
     "eslint-plugin-react-hooks": "^7.0.0",
     "prettier": "^3.4.2",
     "react-test-renderer": "^19.2.0",
-    "vite": "^5.0.0"
+    "vite": "^5.4.21"
   }
 }

frontend/yarn.lock

@@ -10516,10 +10516,10 @@ vary@~1.1.2:
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==
 
-vite@^5.0.0:
-  version "5.4.20"
-  resolved "https://registry.yarnpkg.com/vite/-/vite-5.4.20.tgz#3267a5e03f21212f44edfd72758138e8fcecd76a"
-  integrity sha512-j3lYzGC3P+B5Yfy/pfKNgVEg4+UtcIJcVRt2cDjIOmhLourAqPqf8P7acgxeiSgUB7E3p2P8/3gNIgDLpwzs4g==
+vite@^5.4.21:
+  version "5.4.21"
+  resolved "https://registry.yarnpkg.com/vite/-/vite-5.4.21.tgz#84a4f7c5d860b071676d39ba513c0d598fdc7027"
+  integrity sha512-o5a9xKjbtuhY6Bi5S3+HvbRERmouabWbyUcpXXUA1u+GNUKoROi9byOJ8M0nHbHYHkYICiMlqxkg1KkYmm25Sw==
   dependencies:
     esbuild "^0.21.3"
     postcss "^8.4.43"