Using New-AzCostManagementExport produces error - Request properties validation failed: Invalid definition type 'AmortizedCost'; valid values: 'Usage'

### Description

Using New-AzCostManagementExport for with DefinitionType - AmortizedCost is producing the error - Request properties validation failed: Invalid definition type 'AmortizedCost'; valid values: 'Usage'.

Looks like the PS is using the api-version 2020-06-01 which was reported the same issue - https://github.com/Azure/azure-cli-extensions/issues/2021. This needs to be connected to the new api version.

see below the debug output of the same

DEBUG: CmdletBeforeAPICall:
DEBUG: URLCreated: /providers/Microsoft.Management/managementGroups/<>/providers/Microsoft.CostManagement/exports/AmortizedCostsMonthly?api-version=2020-06-01
DEBUG: RequestCreated: /providers/Microsoft.Management/managementGroups/<>/providers/Microsoft.CostManagement/exports/AmortizedCostsMonthly?api-version=2020-06-01
DEBUG: HeaderParametersAdded:
DEBUG: BodyContentSet:
DEBUG: ============================ HTTP REQUEST ============================

HTTP Method:
PUT

Absolute Uri:https://management.azure.com/providers/Microsoft.Management/managementGroups/<>/providers/Microsoft.CostManagement/exports/AmortizedCostsMonthly?api-version=2020-06-01      

Headers:
x-ms-unique-id                : 11,12
x-ms-client-request-id        : <>
CommandName                   : New-AzCostManagementExport
FullCommandName               : New-AzCostManagementExport_CreateExpanded
ParameterSetName              : __AllParameterSets
User-Agent                    : AzurePowershell/v0.0.0,PSVersion/v5.1.22000.832,Az.CostManagement/0.2.0

Body:
{  "properties": {    "deliveryInfo": {      "destination": {        "resourceId": "/subscriptions/<>/resourceGroups/<>/providers/Microsoft.Storage/storageAccounts/<>",        "container": "monthlycntracmexports",        "rootFolderPath": "<>"      }    },    "definition": {      "dataSet": {        "granularity": "Daily"      },      "type": "AmortizedCost",      "timeframe": "TheLastBillingMonth"    },    "format": "Csv",    "schedule": {      "recurrencePeriod": {        "from": "2022-09-09T12:20:45.358732+03:00",        "to": "2023-09-09T12:20:45.358732+03:00"      },      "status": "Active",      "recurrence": "Monthly"    }  }
}

DEBUG: BeforeCall:
DEBUG: ============================ HTTP RESPONSE ============================

Status Code:
BadRequest

Headers:
Pragma                        : no-cache
session-id                    : <>
x-ms-request-id               : <>
x-ms-correlation-request-id   : <>
x-ms-client-request-id        : <>
x-ms-ratelimit-remaining-tenant-reads: 11996
x-ms-routing-request-id       : <>
Strict-Transport-Security     : max-age=31536000; includeSubDomains
X-Content-Type-Options        : nosniff
Cache-Control                 : no-cache
Date                          : Fri, 09 Sep 2022 09:21:34 GMT
X-Powered-By                  : ASP.NET

Body:
{  "error": {    "code": "400",    "message": "Request properties validation failed: Invalid definition type 'AmortizedCost'; valid values: 'Usage'.\r\n (Request ID: <>)"  }
}

DEBUG: ResponseCreated:
DEBUG: BeforeResponseDispatch:

### Issue script & Debug output

```PowerShell
Body:
{  "error": {    "code": "400",    "message": "Request properties validation failed: Invalid definition type 'AmortizedCost'; valid values: 'Usage'.\r\n (Request ID: <>)"  }
}
```

### Environment data

```PowerShell
Name Value
---- -----
PSVersion 5.1.22000.832
PSEdition Desktop
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.22000.832
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
```

### Module versions

```PowerShell
PS C:\Users\rabuchep> Get-Module AZ*

ModuleType Version Name ExportedCommands
---------- ------- ---- ----------------
Script 2.10.0 Az.Accounts {Add-AzEnvironment, Clear-AzConfig, Clear-AzContext, Clear-AzDefault...}
Script 0.2.0 Az.CostManagement {Get-AzCostManagementExport, Get-AzCostManagementExportExecutionHistory, Invoke-AzCostManagementExecuteExport, Invoke-AzCostManagementQuery...}
```

### Error output

_No response_

Start at the New-AzCostManagementExport entry point in the Az.CostManagement module and trace where api-version 2020-06-01 is selected. Reproduce the request using DefinitionType AmortizedCost and compare it with the newer API version referenced in the issue. Done means the cmdlet sends a supported API request and accepts the AmortizedCost definition without the validation error.

Written by the indexing model from the issue text.