Convert UseSingularNouns to configurable rule and add Windows to allowlist

[MJVL]

PR Summary

This PR:

• Converts PSUseSingularNouns to a configurable rule
• Adds Windows to the PSUseSingularNouns allowlist, closing issue Windows should not be a plural noun #1736

Relevant test has also been added.

PR Checklist

• PR has a meaningful title
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• Summarized changes
• Change is not breaking
• Make sure all .cs, .ps1 and .psm1 files have the correct copyright header
• Make sure you've added a new test if existing tests do not effectively test the code changed and/or updated documentation
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[bergmeister]

I'd be happy to accept it as-is but I am thinking it might be better to expose this allowList as a configurable setting so it can be overridden similar to how we decided to do for this rule when allow-listing az:
https://github.com/PowerShell/PSScriptAnalyzer/pull/1846/files#diff-0c1b69454498d51fc5f5ba732f2589578f37357dd80b111e8330fff529036908

[MJVL]

I'd be happy to accept it as-is but I am thinking it might be better to expose this allowList as a configurable setting so it can be overridden similar to how we decided to do for this rule when allow-listing az: https://github.com/PowerShell/PSScriptAnalyzer/pull/1846/files#diff-0c1b69454498d51fc5f5ba732f2589578f37357dd80b111e8330fff529036908

I agree, as this could cut down on any future issues asking for additional allowList nouns. I can look into refactoring this as a configurable rule.

For the default value, do you think it would still be proper to include {"Data", "Windows"}, or would it be better practice to leave this blank entirely?

[bergmeister]

Yes, in that case also happy to add Windows to default.

[bergmeister]

Thanks for the additional effort. Looks good to me 👍🏻

[bergmeister]

Closing and re-opening to re-trigger CI