[Mysql] BREAKING CHANGE: az mysql flexible-server create: Change default values for --auto-scale-iops, --version for MySQL (#30852)

* update code

* Update _validators.py

* update code

* update test file

* update

* update lint

* update

* remove breaking change

Author: linyudoa

src/azure-cli/azure/cli/command_modules/mysql/_params.py

@@ -113,7 +113,7 @@ def load_arguments(self, _):    # pylint: disable=too-many-statements, too-many-
     auto_scale_iops_arg_type = CLIArgumentType(
         arg_type=get_enum_type(['Enabled', 'Disabled']),
         options_list=['--auto-scale-iops'],
-        help='Enable or disable the auto scale iops. Default value is Disabled.'
+        help='Enable or disable the auto scale iops. Default value is Enabled.'
     )
 
     accelerated_logs_arg_type = CLIArgumentType(
@@ -335,10 +335,10 @@ def load_arguments(self, _):    # pylint: disable=too-many-statements, too-many-
         c.argument('tier', default='Burstable', arg_type=tier_arg_type)
         c.argument('sku_name', default='Standard_B1ms', arg_type=sku_name_arg_type)
         c.argument('storage_gb', default='32', arg_type=storage_gb_arg_type)
-        c.argument('version', default='5.7', arg_type=version_arg_type)
+        c.argument('version', default='8.0.21', arg_type=version_arg_type)
         c.argument('iops', arg_type=iops_arg_type)
         c.argument('auto_grow', default='Enabled', arg_type=auto_grow_arg_type)
-        c.argument('auto_scale_iops', default='Disabled', arg_type=auto_scale_iops_arg_type)
+        c.argument('auto_scale_iops', default='Enabled', arg_type=auto_scale_iops_arg_type)
         c.argument('accelerated_logs', arg_type=accelerated_logs_arg_type)
         c.argument('backup_retention', default=7, arg_type=mysql_backup_retention_arg_type)
         c.argument('backup_byok_identity', arg_type=backup_identity_arg_type)

src/azure-cli/azure/cli/command_modules/mysql/tests/latest/recordings/test_mysql_flexible_server_mgmt.yaml

@@ -139,7 +139,7 @@ def _test_flexible_server_mgmt(self, database_engine, resource_group):
             self.cmd('config param-persist off')
 
         storage_size = 32
-        version = '5.7'
+        version = '8.0.21'
         location = DEFAULT_LOCATION
         sku_name = DEFAULT_GENERAL_PURPOSE_SKU
         memory_optimized_sku = DEFAULT_MEMORY_OPTIMIZED_SKU