docs(ISSUE_TEMPLATE): fix invitation URL for Discord (#5387)

Author: Jake151987

.github/ISSUE_TEMPLATE/ask-a-question.md

@@ -6,5 +6,5 @@ labels: 'type:docs'
 assignees: ''
 
 ---
-This should only be used in very rare cases e.g. if you are not 100% sure if something is a bug or asking a question that leads to improving the documentation. For general questions please use [discord](https://discord.gg/5gyhdvG9) or [Telegram](https://t.me/TronOfficialDevelopersGroupEn).
+This should only be used in very rare cases e.g. if you are not 100% sure if something is a bug or asking a question that leads to improving the documentation. For general questions please use [Discord](https://discord.gg/cGKSsRVCGm) or [Telegram](https://t.me/TronOfficialDevelopersGroupEn).