chore(docs): bump vite from 6.2.5 to 6.2.6 in /web-app (#537)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 6.2.5 to 6.2.6.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v6.2.6/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v6.2.6/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 6.2.6
  dependency-type: direct:development
...

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

Author: dependabot[bot]

web-app/package-lock.json

@@ -44,7 +44,7 @@
     "prettier": "^3.5.3",
     "typescript": "^5.8.2",
     "typescript-eslint": "^8.26.0",
-    "vite": "^6.2.5",
+    "vite": "^6.2.6",
     "vitest": "^3.0.7"
   }
 }