fix: correct product name variable for Copilot Chat window in JetBrains IDE

Author: brambhattabhishek

data/variables/product.yml

@@ -297,8 +297,8 @@ prodname_copilot_enterprise: 'GitHub Copilot Enterprise'
 prodname_copilot_enterprise_short: 'Copilot Enterprise'
 prodname_copilot_free: 'GitHub Copilot Free'
 prodname_copilot_free_short: 'Copilot Free'
-prodname_copilot_chat: 'GitHub Copilot Chat'
-prodname_copilot_chat_short: 'Copilot Chat'
+prodname_copilot_chat: 'GitHub Chat'
+
 prodname_copilot_chat_dotcom: 'GitHub Copilot Chat in GitHub'
 prodname_copilot_chat_dotcom_short: 'Copilot Chat in GitHub'
 prodname_copilot_mobile: 'GitHub Copilot Chat in GitHub Mobile'