[DNS] Update Melbourne IT link in ns-update-providers (#18625)

Author: josevarghese

src/content/partials/dns/ns-update-providers.mdx

@@ -32,7 +32,7 @@ This is not an exhaustive list of provider-specific instructions, but the follow
 * [Hover](https://support.hover.com/support/solutions/articles/201000064742-changing-your-domain-nameservers)
 * [Internetdbs](https://faq.internetbs.net/hc/en-gb/articles/4516921367837-How-to-update-Nameservers-for-a-domain)
 * [iPage](https://www.ipage.com/help/article/domain-management-how-to-update-nameservers)
-* [MelbourneIT](https://support.melbourneit.au/docs/modifying-domain-nameservers-or-dns-records)
+* [MelbourneIT](https://support.melbourneit.au/docs/how-do-i-manage-my-dns-on-cpanel)
 * [Moniker](https://support.moniker.com/hc/en-gb/articles/10101271418653-How-to-update-Nameservers-for-a-domain)
 * [Name.com](https://www.name.com/support/articles/205934457-registering-custom-nameservers)
 * [Namecheap](https://www.namecheap.com/support/knowledgebase/article.aspx/767/10/how-can-i-change-the-nameservers-for-my-domain)