adding to changelog.md

Author: rewongmicrosoft

src/Sql/Sql/ChangeLog.md

@@ -25,6 +25,8 @@
     - Update Backup Storage Redundancy values for LTR backups
 * Added CurrentBackupStorageRedundancy, RequestedBackupStorageRedundancy to `Get-AzSqlDatabase`, `New-AzSqlDatabase`, `Set-AzSqlDatabase`, `New-AzSqlDatabaseSecondary`, `Set-AzSqlDatabaseSecondary`, `New-AzSqlDatabaseCopy`
     - Changed BackupStorageRedundancy value to CurrentBackupStorageRedundancy, RequestedBackupStorageRedundancy to reflect both the current value and what has been requested if a change was made
+* Added new cmdlets `Get-AzSqlDatabaseLedgerDigestUpload`, `Disable-AzSqlDatabaseLedgerDigestUpload`, and `Enable-AzSqlDatabaseLedgerDigestUpload`
+* Added -EnableLedger parameter to `New-AzSqlDatabase`
 
 ## Version 2.17.1
 * Added cmdlet output breaking change warnings to the following: