Added TWN/TNW region support for CRR (Azure#24011)

Author: hiaga

src/RecoveryServices/RecoveryServices.Backup/Helpers/BackupUtils.cs

@@ -91,6 +91,8 @@ public class BackupUtils
             {"usgoviowa", "usgovvirginia"},
             {"usgovvirginia", "usgovtexas"},
             {"malaysiasouth", "japanwest"},
+            {"taiwannorth", "taiwannorthwest"},
+            {"taiwannorthwest", "taiwannorth"},
             {"jioindiacentral", "jioindiawest"},
             {"jioindiawest", "jioindiacentral"}
         };

src/RecoveryServices/RecoveryServices/ChangeLog.md

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Added CRR support for taiwannorth, taiwannorthwest region.
 * Added breaking change notification for cmdlets whose output type is `ASRVaultSettings`.
 * Added warning for Standard to Enhanced policy migration for AzureVMs.
 * Updated Unregister-AzRecoveryServicesBackupContainer cmdlet to ouptput Job object if PassThru not given.