Update cross-tenant-sharepoint-migration-step5.md

Updated the incompatibility note as follows to the correct period or time, and to match the Cross tenant documentation for OneDrive Migrations (https://learn.microsoft.com/en-us/microsoft-365/enterprise/cross-tenant-onedrive-migration-step5).
From:
"We recommend waiting a period of 24 hours. If your tenants are still reporting as incompatible, contact support."

To: 
"We recommend waiting a period of 48 hours. If your tenants are still reporting as incompatible, contact support."

Author: joshuc

microsoft-365/enterprise/cross-tenant-sharepoint-migration-step5.md

@@ -188,7 +188,7 @@ Get-SPOCrossTenantCompatibilityStatus -PartnerCrossTenantHostURL https://m365x12
 |Incompatible|No|
 
 > [!NOTE]
-> We recommend waiting a period of 24 hours. If your tenants are still reporting as *incompatible*, contact support.
+> We recommend waiting a period of 48 hours. If your tenants are still reporting as *incompatible*, contact support.
 >
 > We recommend performing the compatibility status check on a frequent basis and prior to starting ANY instances of cross tenant migrations. If the tenants are not compatible, this can result in cross-tenant migrations failing.