fix(format): use RFC1123 hostname validator for legacy drafts (#109)

* fix(format): use RFC1123 hostname validator for legacy drafts

Signed-off-by: Vaibhav mittal <vaibhavmittal929@gmail.com>

* test: remove regression test per maintainer request

Signed-off-by: Vaibhav mittal <vaibhavmittal929@gmail.com>

---------

Signed-off-by: Vaibhav mittal <vaibhavmittal929@gmail.com>

Author: Vaibhav701161

formats/handlers/draft-04/hostname.js

@@ -1,7 +1,7 @@
-import { isAsciiIdn } from "@hyperjump/json-schema-formats";
+import { isHostname } from "@hyperjump/json-schema-formats";
 
 
 export default {
   id: "https://json-schema.org/format/draft-04/hostname",
-  handler: (hostname) => typeof hostname !== "string" || isAsciiIdn(hostname)
+  handler: (hostname) => typeof hostname !== "string" || isHostname(hostname)
 };