[Az.Network] Added a new command 'New-AzPacketCaptureSettingsConfig' for Network watcher Packet capture include ring buffer change with new updates

[v-sapanchal]

Modified the existing Packet capture command include ring buffer change, in order to that, created a new sub command for capture settings,
Example:

Mandatory Checklist

• Please choose the target release of Azure PowerShell. (⚠️Target release is a different concept from API readiness. Please click below links for details.)

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• Check this box to confirm: I have read the Submitting Changes section of CONTRIBUTING.md and reviewed the following information:

• SHOULD update ChangeLog.md file(s) appropriately
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    • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header in the past tense.
  • Should not change ChangeLog.md if no new release is required, such as fixing test case only.
• SHOULD regenerate markdown help files if there is cmdlet API change. Instruction
• SHOULD have proper test coverage for changes in pull request.
• SHOULD NOT adjust version of module manually in pull request

[azure-client-tools-bot-prd]

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[vidai-msft]

@v-sapanchal Please rebase your branch and resolve the conflict.

[vidai-msft]

@v-sapanchal Is this PR a dup of #27880 ? Can we close it?