build(deps): bump @octokit/webhooks from 10.1.5 to 10.9.2

Bumps [@octokit/webhooks](https://github.com/octokit/webhooks.js) from 10.1.5 to 10.9.2.
- [Release notes](https://github.com/octokit/webhooks.js/releases)
- [Commits](octokit/webhooks.js@v10.1.5...v10.9.2)

---
updated-dependencies:
- dependency-name: "@octokit/webhooks"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -37,7 +37,7 @@
     "@fastify/formbody": "^7.2.0",
     "@google-cloud/text-to-speech": "^4.0.2",
     "@hakatashi/riichi-core": "^1.0.4",
-    "@octokit/webhooks": "^10.1.5",
+    "@octokit/webhooks": "^10.9.2",
     "@sinonjs/fake-timers": "^11.0.0",
     "@slack/bolt": "^3.13.1",
     "@slack/events-api": "^3.0.1",