[Synapse]-Add Firewall Rule management cmdlets

[sunsw1994]

Description

Firewall Rule is one of the essential child resources. Connection attempts from the internet and Azure must pass through the firewall before they reach Synapse Workspace. Firewall Rule related cmdlets provide user with an effective method to manage firewall rules by Powershell.

• Added support for operation of Synapse FirewallRule
  • Add New-AzSynapseFirewallRule cmdlet
  • Add Remove-AzSynapseFirewallRule cmdlet
  • Add Get-AzSynapseFirewallRule cmdlet
  • Add Update-AzSynapseFirewallRule cmdlet
• Removed '-DisallowAllConnection' parameter from the 'New-AzSynapseWorkspace' cmdlet

Design Review

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)
  • the markdown help files have been regenerated using the commands listed here

[VeryEarly]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 3 pipeline(s).

[dingmeng-xue]

Could you close this PR and create a new one? No idea why there is no status of license/cla.