Add Milliseconds Parameter to New-TimeSpan

[NoMoreFood]

PR Summary

This PR adds a parameter to the New-TimeSpan cmdlet and updates the tests associated with the cmdlet to accomadate testing the new parameter.

PR Context

The ability to set millisecond precision in a timespan structure could be beneficial where consumers of a timespan structure have millisecond resolution. This was requested under issue #16486.

PR Checklist

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• Make sure all .h, .cpp, .cs, .ps1 and .psm1 files have the correct copyright header
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• Breaking changes
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  • Experimental feature(s) needed
    • Experimental feature name(s):
• User-facing changes
  • Not Applicable
  • OR
  • Documentation needed
    • Issue filed: Update Documentation: New-TimeSpan -Milliseconds Parameter MicrosoftDocs/PowerShell-Docs#9005
• Testing - New and feature
  • N/A or can only be tested interactively
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This PR has 34 quantified lines of changes. In general, a change size of upto 200 lines is ideal for the best PR experience!

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Label      : Extra Small
Size       : +19 -15
Percentile : 13.6%

Total files changed: 2

Change summary by file extension:
.cs : +3 -1
.ps1 : +16 -14

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[NoMoreFood]

@PaulHigin It looks like the only failed test asking me to do something that would make the comment for this property inconsistent with the rest of the comments on the other properties. Let me know if you want me to change them all or if we can ignore this check.

[iSazonov]

@NoMoreFood CodeFactor Ci is not mandatory. I am ok to keep consistency with over doc comments.

[iSazonov]

@NoMoreFood Please create new issue in Docs repository and add reference in OP.

[NoMoreFood]

@iSazonov Created: MicrosoftDocs/PowerShell-Docs#9005

[kilasuit]

Looks good to me :-)

[iSazonov]

@NoMoreFood Thanks for your contribution!

[ghost]

🎉v7.3.0-preview.6 has been released which incorporates this pull request.:tada:

Handy links:

• Release Notes