chore: update discord link (#19)

Author: dspashynskyi

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,5 @@
 blank_issues_enabled: false
 contact_links:
   - name: 📝 Talk in Discord
-    url: https://discord.com/channels/831132799535939614/1172686875299950683
+    url: https://discord.gg/jvTCQv4E4q
     about: Discuss your question in Discord