Update repo files + split out .Common module

[dan-hughes]

Pull Request (PR) description

Update the module files to the latest versions. Move functions from the HyperVDsc.Common module to separate Public/Private functions.

Fixed typo in one integration test that referenced old module name.

This Pull Request (PR) fixes the following issues

Task list

• Added an entry to the change log under the Unreleased section of the file CHANGELOG.md.
  Entry should say what was changed and how that affects users (if applicable), and
  reference the issue being resolved (if applicable).
• Resource documentation updated in the resource's README.md.
• Resource parameter descriptions updated in schema.mof.
• Comment-based help updated, including parameter descriptions.
• Localization strings added/updated in all localization files as appropriate.
• Examples appropriately added/updated.
• Unit tests added/updated. See DSC Community Testing Guidelines.
• Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• New/changed code adheres to DSC Community Style Guidelines.

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This change is 

[codecov]

Codecov Report

Attention: Patch coverage is 86.95652% with 9 lines in your changes missing coverage. Please review.

Project coverage is 83%. Comparing base (6c0e583) to head (5f54f97).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
source/Public/Set-VMProperty.ps1	72%	7 Missing ⚠️
source/Public/ConvertFrom-TimeSpan.ps1	80%	1 Missing ⚠️
source/Public/ConvertTo-TimeSpan.ps1	85%	1 Missing ⚠️

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #219   +/-   ##
===================================
- Coverage    83%    83%   -1%     
===================================
  Files        11     17    +6     
  Lines      1441   1427   -14     
===================================
- Hits       1203   1189   -14     
  Misses      238    238           

Files with missing lines	Coverage Δ
...ce/DSCResources/DSC_VMDvdDrive/DSC_VMDvdDrive.psm1	98% <ø> (-1%)	⬇️
...urces/DSC_VMHardDiskDrive/DSC_VMHardDiskDrive.psm1	89% <ø> (-1%)	⬇️
source/DSCResources/DSC_VMHost/DSC_VMHost.psm1	100% <ø> (ø)
source/DSCResources/DSC_VMHyperV/DSC_VMHyperV.psm1	84% <ø> (-1%)	⬇️
.../DSCResources/DSC_VMProcessor/DSC_VMProcessor.psm1	100% <ø> (ø)
...ces/DSC_VMScsiController/DSC_VMScsiController.psm1	100% <ø> (ø)
source/DSCResources/DSC_VMSwitch/DSC_VMSwitch.psm1	85% <ø> (-1%)	⬇️
source/Private/Wait-VMIPAddress.ps1	100% <100%> (ø)
source/Public/Get-VMHyperV.ps1	100% <100%> (ø)
source/Public/Set-VMState.ps1	100% <100%> (ø)
... and 4 more

[dan-hughes]

@johlju