Bump undici from 6.11.1 to 6.21.1 (#218)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -59,7 +59,7 @@
     "stylelint-config-standard": "^36.0.0",
     "timekeeper": "^2.3.1",
     "typescript": "^5",
-    "undici": "^6.11.1",
+    "undici": "^6.21.1",
     "webpack-stats-plugin": "^1.1.3"
   }
 }