Bump h3 from 0.7.21 to 1.15.5 in /packages/app

Bumps [h3](https://github.com/h3js/h3) from 0.7.21 to 1.15.5.
- [Release notes](https://github.com/h3js/h3/releases)
- [Changelog](https://github.com/h3js/h3/blob/v1.15.5/CHANGELOG.md)
- [Commits](h3js/h3@v0.7.21...v1.15.5)

---
updated-dependencies:
- dependency-name: h3
  dependency-version: 1.15.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

packages/app/package.json

@@ -65,7 +65,7 @@
     "esbuild": "0.25.12",
     "express": "4.21.2",
     "graphql-request": "6.1.0",
-    "h3": "0.7.21",
+    "h3": "1.15.5",
     "http-proxy-node16": "1.0.6",
     "ignore": "6.0.2",
     "json-schema-to-typescript": "15.0.4",