Release new preview version for azure virtual network manager, API version 2022-04-01-preview

[jago2136]

Description

This PR is updating the azure virtual network manager cmdlets with changes made in the new 2022-04-01-preview version. This includes adding cmdlets for a new resource called 'network manager connection', specifically on management groups. We have also added a -ForceDelete flag to most resources Remove operation. See details in the design proposal.
https://github.com/Azure/azure-powershell-cmdlet-review-pr/issues/1216

Checklist

• I have read the Submitting Changes section of CONTRIBUTING.md
• The title of the PR is clear and informative
• The appropriate ChangeLog.md file(s) has been updated:
  • For any service, the ChangeLog.md file can be found at src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md
  • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header -- no new version header should be added
• The PR does not introduce breaking changes
• If applicable, the changes made in the PR have proper test coverage
• For public API changes to cmdlets:
  • a cmdlet design review was approved for the changes in this repository (Microsoft internal only)
    • {Please put the link here}
  • the markdown help files have been regenerated using the commands listed here

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/azp run

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/azp run azure-powershell - windows-powershell

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/azp run azure-powershell - security-tools

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