chore(maintainers): update url for Tnixc (catppuccin#795)

Author: sgoudham

scripts/userstyles.yml

@@ -49,7 +49,7 @@ collaborators:
     url: https://github.com/GitMuslim
   - &tnixc
     name: Tnixc
-    url: https://github.com/tnixc
+    url: https://github.com/Tnixc
   - &elkrien
     name: Elkrien
     url: https://github.com/elkrien