Update dependency @vitejs/plugin-react to v6

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| grafana/tempo |  | digest | `512af54` -> `cfe9b6a` |
| [oven/bun](https://github.com/oven-sh/bun) | stage | patch | `1.3.3` -> `1.3.4` |
| [oven/bun](https://github.com/oven-sh/bun) |  | patch | `1.3.3` -> `1.3.4` |

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Reviewed-on: #74
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packages/webapp/package.json

@@ -43,7 +43,7 @@
     "@tanstack/router-plugin": "^1.131.48",
     "@types/react": "^19.1.13",
     "@types/react-dom": "^19.1.9",
-    "@vitejs/plugin-react": "^5.0.2",
+    "@vitejs/plugin-react": "^6.0.0",
     "globals": "^16.4.0",
     "tw-animate-css": "^1.3.8",
     "typescript-eslint": "^8.44.0",