chore(deps): bump h3 from 1.15.5 to 1.15.9 in /playground

Bumps [h3](https://github.com/h3js/h3) from 1.15.5 to 1.15.9.
- [Release notes](https://github.com/h3js/h3/releases)
- [Changelog](https://github.com/h3js/h3/blob/v1.15.9/CHANGELOG.md)
- [Commits](h3js/h3@v1.15.5...v1.15.9)

---
updated-dependencies:
- dependency-name: h3
  dependency-version: 1.15.9
  dependency-type: indirect
...

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

Author: dependabot[bot]

playground/yarn.lock

@@ -2779,9 +2779,9 @@ gzip-size@^7.0.0:
     duplexer "^0.1.2"
 
 h3@^1.12.0, h3@^1.15.4:
-  version "1.15.5"
-  resolved "https://registry.yarnpkg.com/h3/-/h3-1.15.5.tgz#e2f28d4a66a249973bb050eaddb06b9ab55506f8"
-  integrity sha512-xEyq3rSl+dhGX2Lm0+eFQIAzlDN6Fs0EcC4f7BNUmzaRX/PTzeuM+Tr2lHB8FoXggsQIeXLj8EDVgs5ywxyxmg==
+  version "1.15.9"
+  resolved "https://registry.yarnpkg.com/h3/-/h3-1.15.9.tgz#ee3a480674b2e35106155544cc0a6de69a6dc14f"
+  integrity sha512-H7UPnyIupUOYUQu7f2x7ABVeMyF/IbJjqn20WSXpMdnQB260luADUkSgJU7QTWLutq8h3tUayMQ1DdbSYX5LkA==
   dependencies:
     cookie-es "^1.2.2"
     crossws "^0.3.5"