Change links from old M365 hub

Author: Rick-Kirkham

docs/build-microsoft-365-solutions.md

@@ -78,4 +78,4 @@ For more information:
 ## Related content
 
 - [Microsoft 365 Developer Program FAQ](microsoft-365-developer-program-faq.yml)
-- [Microsoft 365 developer documentation](/microsoft-365/developer)
+- [Extend Teams apps across Microsoft 365](/microsoftteams/platform/m365-apps/overview)

docs/microsoft-365-developer-program.md

@@ -55,4 +55,4 @@ Do you have a Visual Studio Pro or Enterprise subscription? If so, you can take
 ## Related content
 
 - For frequently asked questions about the Microsoft 365 Developer Program, see the [FAQ](microsoft-365-developer-program-faq.yml).
-- Explore the [Microsoft 365 developer documentation](/microsoft-365/developer).
+- [Extend Teams apps across Microsoft 365](/microsoftteams/platform/m365-apps/overview).