Fix community support url (#6245)

.github/ISSUE_TEMPLATE/config.yml

@@ -1,7 +1,7 @@
 blank_issues_enabled: false
 contact_links:
   - name: ❓ Community-driven support (Free)
-    url: https://docs.mailcow.email/#get-support
+    url: https://docs.mailcow.email/#community-support-and-chat
     about: Please use the community forum for questions or assistance
   - name: 🔥 Premium Support (Paid)
     url: https://www.servercow.de/mailcow?lang=en#support