Update incorrect link in send-email.md

Link was pointing at wrong document, possibly copy and paste mistake from previous item in list. Corrected with what I believe is the correct link

Author: isjwuk

articles/communication-services/quickstarts/email/send-email.md

@@ -74,4 +74,4 @@ In this quickstart, you learned how to send emails using Azure Communication Ser
  - Learn about [Email concepts](../../concepts/email/email-overview.md).
  - Familiarize yourself with [email client library](../../concepts/email/sdk-features.md).
  - Learn more about [how to send a chat message](../chat/logic-app.md) from Power Automate using Azure Communication Services.
- - Learn more about access tokens check-in [Create and Manage Azure Communication Services users and access tokens](../chat/logic-app.md).
+ - Learn more about access tokens check-in [Create and Manage Azure Communication Services users and access tokens](../identity/access-tokens.md).