docs: update discord url

README.md

@@ -53,7 +53,7 @@ Catppuccin is a community-driven pastel theme that aims to be the middle ground
     </picture>
   </a>
   <img src="assets/misc/transparent.png" height="1" width="5"/>
-  <a href="https://discord.gg/r6Mdz5dpFc">
+  <a href="https://discord.com/servers/907385605422448742">
     <picture>
       <source srcset="assets/social/macchiato_discord.svg" width="64" height="64" alt="Discord Logo" media="(prefers-color-scheme: dark)"/>
       <source srcset="assets/social/latte_discord.svg" width="64" height="64" alt="Discord Logo" media="(prefers-color-scheme: light), (prefers-color-scheme: no-preference)"/>