chore(deps): update dependency undici to v6.21.2 [security]

Author: renovate[bot]

package.json

@@ -111,7 +111,7 @@
     "tsup": "8.3.0",
     "tw-colors": "3.3.2",
     "typescript": "5.7.2",
-    "undici": "6.21.0",
+    "undici": "6.21.2",
     "vite": "5.4.8",
     "vite-plugin-graphql-loader": "4.0.4",
     "vite-plugin-relay": "2.1.0",