* Update AzBatch module SDK versions

  - Updated the Microsoft.Azure.Batch pacakge to 10.1.0.
  - Updated the Microsoft.Azure.Management.Batch package to 7.0.0.
  - Add new "New-AzBatchResourceFile" cmdlet to aid in ResourceFile creation.

* Update Batch changelog and breaking changes

* Re-record tests

* Update cmdlet help

* Fix PSImageReference format

* Fix issue with Batch error formatting

  - Also fix New-AzBatchTask parameter requirements.

* Change Metadata and EnviornmentSettings to be IDictionary

  - This makes it so that a response from the Batch service can be used
    as input to a New cmdlet. For example: `Get-AzBatchJob` `Metadata` can
    now be supplied as an input parameter to `New-AzBatchJob`.
  - This resolves issue #6611.

* Update Microsoft.Extensions.Primitives to 2.2.0

* Add SignatureIssues supression

* Update Batch psd1 required assemblies

* Fix CredScan suppressions

* Version Batch for preview release

* Update test Extensions.Primitives reference

* Fix issue with breaking change exceptions

* New-AzBatchTask should allow empty command line

  - This fixes #9938.

* Fix bug with New-AzureBatchTask -Tasks parameter

  - This fixes #9912.

* Update Batch Powershell to target new SDKs

  - Target Microsoft.Azure.Batch 12.0.
  - Target Microsoft.Azure.Management.Batch 9.0.
  - Update tests.

* Regenerate help

* Re-record tests

* Add exceptions for expected breaking changes

* Fix usages of plural (s suffix)

  - Includes renaming Get-AzBatchSupportedImages
    to Get-AzBatchSupportedImage.

* Update Az.Batch.psd1

* Update changelog for preview release

* Update assembly version

* Fix mapping issue

* update changelog