Bump undici from 5.20.0 to 5.26.3 in /frontend

Bumps [undici](https://github.com/nodejs/undici) from 5.20.0 to 5.26.3.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v5.20.0...v5.26.3)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: indirect
...

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

frontend/yarn.lock

@@ -959,6 +959,11 @@
   resolved "https://registry.yarnpkg.com/@eslint/js/-/js-8.35.0.tgz#b7569632b0b788a0ca0e438235154e45d42813a7"
   integrity sha512-JXdzbRiWclLVoD8sNUjR443VVlYqiYmDVT6rGUEIEHU5YJW0gaVZwV2xgM7D4arkvASqD0IlLUVjHiFuxaftRw==
 
+"@fastify/busboy@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@fastify/busboy/-/busboy-2.0.0.tgz#f22824caff3ae506b18207bad4126dbc6ccdb6b8"
+  integrity sha512-JUFJad5lv7jxj926GPgymrWQxxjPYuJNiNjNMzqT+HiuP6Vl3dk5xzG+8sTX96np0ZAluvaMzPsjhHZ5rNuNQQ==
+
 "@floating-ui/core@^1.0.2":
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/@floating-ui/core/-/core-1.0.2.tgz#d06a66d3ad8214186eda2432ac8b8d81868a571f"
@@ -7133,11 +7138,11 @@ uncontrollable@^8.0.1:
   integrity sha512-/GDx+K1STGtpgTsj5Dj3J51YaKxZDblbCQHTH1zHLuoBEWodj6MjtRVv3TUijj1JYLRLSFsFzN8NV4M3QV4d9w==
 
 undici@^5.8.0:
-  version "5.20.0"
-  resolved "https://registry.yarnpkg.com/undici/-/undici-5.20.0.tgz#6327462f5ce1d3646bcdac99da7317f455bcc263"
-  integrity sha512-J3j60dYzuo6Eevbawwp1sdg16k5Tf768bxYK4TUJRH7cBM4kFCbf3mOnM/0E3vQYXvpxITbbWmBafaDbxLDz3g==
+  version "5.26.3"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-5.26.3.tgz#ab3527b3d5bb25b12f898dfd22165d472dd71b79"
+  integrity sha512-H7n2zmKEWgOllKkIUkLvFmsJQj062lSm3uA4EYApG8gLuiOM0/go9bIoC3HVaSnfg4xunowDE2i9p8drkXuvDw==
   dependencies:
-    busboy "^1.6.0"
+    "@fastify/busboy" "^2.0.0"
 
 unified@^10.0.0:
   version "10.1.1"