Bump mdast-util-to-hast from 13.2.0 to 13.2.1 in /frontend

Bumps [mdast-util-to-hast](https://github.com/syntax-tree/mdast-util-to-hast) from 13.2.0 to 13.2.1.
- [Release notes](https://github.com/syntax-tree/mdast-util-to-hast/releases)
- [Commits](https://github.com/syntax-tree/mdast-util-to-hast/compare/13.2.0...13.2.1)

---
updated-dependencies:
- dependency-name: mdast-util-to-hast
  dependency-version: 13.2.1
  dependency-type: indirect
...

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

frontend/yarn.lock

@@ -2000,9 +2000,9 @@ mdast-util-phrasing@^4.0.0:
     unist-util-is "^6.0.0"
 
 mdast-util-to-hast@^13.0.0:
-  version "13.2.0"
-  resolved "https://registry.yarnpkg.com/mdast-util-to-hast/-/mdast-util-to-hast-13.2.0.tgz#5ca58e5b921cc0a3ded1bc02eed79a4fe4fe41f4"
-  integrity sha512-QGYKEuUsYT9ykKBCMOEDLsU5JRObWQusAolFMeko/tYPufNkRffBAQjIE+99jbA87xv6FgmjLtwjh9wBWajwAA==
+  version "13.2.1"
+  resolved "https://registry.yarnpkg.com/mdast-util-to-hast/-/mdast-util-to-hast-13.2.1.tgz#d7ff84ca499a57e2c060ae67548ad950e689a053"
+  integrity sha512-cctsq2wp5vTsLIcaymblUriiTcZd0CwWtCbLvrOzYCDZoWyMNV8sZ7krj09FSnsiJi3WVsHLM4k6Dq/yaPyCXA==
   dependencies:
     "@types/hast" "^3.0.0"
     "@types/mdast" "^4.0.0"