updated migration ISV guidance .md (SharePoint#4628)

content fix:
Fixed broken link

Author: JoanneHendrickson

docs/apis/migration-isv-guidance.md

@@ -35,7 +35,7 @@ To learn more on how to register an app ID and how to implement app-based authen
 
 - [How to register an app ID](https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.microsoft.com%2Fen-us%2Fazure%2Factive-directory%2Fdevelop%2Factive-directory-v2-registration-portal&data=04%7C01%7CWan.Wu%40microsoft.com%7C7c98484b20de4fc80fb308d6da3e3509%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636936358039977299%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C-1&sdata=L%2BObRVyCBKPwvvY7MUUsWX%2B8yEIbzqaTkBjcmNjc1vk%3D&reserved=0)
 - [Microsoft Graph Auth guidance](https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.microsoft.com%2Fen-us%2Fgraph%2Fauth%2F&data=04%7C01%7CWan.Wu%40microsoft.com%7C7c98484b20de4fc80fb308d6da3e3509%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636936358039977299%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C-1&sdata=ZrFqXsLT3BtT8ynnlLQH9w7JZIOw07zu2X3EYbBmfD4%3D&reserved=0):   Includes an informative video, basics, how to register your app and getting access scenarios
-- [Don’t get throttled! SharePoint and OneDrive guide to staying below the limits](https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmyignite.techcommunity.microsoft.com%2Fsessions%2F65661&data=04%7C01%7CWan.Wu%40microsoft.com%7C7c98484b20de4fc80fb308d6da3e3509%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636936358039987303%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C-1&sdata=%2FVCt7P794Lwn0hvpaa4bQicVeqHIPuOM8Vg58nkL16A%3D&reserved=0)
+- [Don’t get throttled! SharePoint and OneDrive guide to staying below the limits](https://www.youtube.com/watch?v=_pBHfGGdMfE)
 
 ### App-based authentication migration guidance