fix: match website wording

Fixed here twitchdev/issues@784126f

Author: SputNikPlop

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,5 @@
 blank_issues_enabled: true
 contact_links:
-  - name: Twitch Dev Discord
+  - name: TwitchDev Discord
     url: https://link.twitch.tv/devchat
-    about: Chat with the developer community on Discord.
+    about: Chat with the developer community on Discord.