Update ChangeLog.md (#20234)

* Update ChangeLog.md

* Update src/Compute/Compute/ChangeLog.md

Co-authored-by: Beisi Zhou <[email protected]>

Author: Nickcandy

src/Compute/Compute/ChangeLog.md

@@ -20,6 +20,7 @@
 
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 ## Upcoming Release
+* Fixed issue found for `Set-AzVmssVMRunCommand` [#19985]
 * Fixed `Get-AzVm` cmdlet when parameter "-Status" is provided, return property `OsName`, `OsVersion` and `HyperVGeneration`
 * Fixed `New-AzVM` cmdlet when creating VM with bootdiagnostic storage causes exception `Kind` cannot be null.