chore(deps): bump undici from 6.19.2 to 6.21.1

Bumps [undici](https://github.com/nodejs/undici) from 6.19.2 to 6.21.1.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v6.19.2...v6.21.1)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: direct:production
...

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

apps/ledger-live-desktop/package.json

@@ -153,7 +153,7 @@
     "tippy.js": "6.3.7",
     "tree-kill": "1.2.2",
     "uncontrollable": "7.2.1",
-    "undici": "6.19.2",
+    "undici": "6.21.1",
     "uuid": "9.0.1",
     "winston": "3.13.0",
     "winston-transport": "4.7.0",

libs/ledger-live-common/package.json

@@ -294,7 +294,7 @@
     "ts-jest": "^29.1.1",
     "ts-node": "^10.4.0",
     "typescript": "5.1.3",
-    "undici": "6.19.2",
+    "undici": "6.21.1",
     "uuid": "^8.3.2",
     "ws": "7"
   }