PfxImport: Add empty string password to .Import method

[cmielke]

Pull Request (PR) description

Add an empty string to the X509Certificate2.Import to prevent the MethodCountCouldNotFindBest exception when using a null password to import the PFX certificate.

This Pull Request (PR) fixes the following issues

- Fixes #258 

Task list

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

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This change is 

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 84%. Comparing base (e77b3da) to head (73826cd).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...s/CertificateDsc.Common/CertificateDsc.Common.psm1	0%	1 Missing ⚠️

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #259   +/-   ##
===================================
  Coverage    84%    84%           
===================================
  Files         7      7           
  Lines       933    933           
===================================
  Hits        790    790           
  Misses      143    143           

Files with missing lines	Coverage Δ
...s/CertificateDsc.Common/CertificateDsc.Common.psm1	81% <0%> (ø)

[bdrans]

Does anyone know what needs to be changed with the PR to get it merged? I'm running into this issue (#258) so it would be nice go get it merged

[hebbea]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @cmielke)

[hebbea]

Looks and works ok

[PlagueHO]

Hi @cmielke - any chance you could rebase this against main? There have been a few fixes/changes to the pipeline. This should fix the build process so that all the tests pass. Thank you!

[cmielke]

I have rebased against main. Hopefully that will work.