Swap spectrum with discord

.github/ISSUE_TEMPLATE/bug_report.md

@@ -9,8 +9,7 @@ assignees: ''
 <!-- Thanks for your interest in the project. We appreciate bugs filed and PRs submitted! -->
 
 <!--
-- For questions related to using the library, please visit a support community
-  instead of filing an issue on GitHub: https://spectrum.chat/testing-library
+- For questions related to using the library, please join the Discord server instead of filing an issue on GitHub: [https://.chat/testing-library](https://testing-library.com/discord)
 
 - Please fill out this template with all the relevant information so we can
   understand what's going on and fix the issue.