docs: fixed link to discord in issue creation links

Author: arctic-hen7

.github/ISSUE_TEMPLATE/config.yml

@@ -3,7 +3,7 @@ contact_links:
       url: https://arctic-hen7.github.io/perseus/tribble/workflow/perseus
       about: Perseus manages all contributions through Tribble now, try it out!
     - name: Ask a question about Perseus and Sycamore
-      url: https://discord.gg/vDwFUmm6mU
+      url: https://discord.com/invite/GNqWYWNTdp
       about: Join us on the Sycamore's Discord server.
     - name: Ask a general question
       url: https://github.com/arctic-hen7/perseus/discussions/new