Add SupportedOSPlatform to X509Certificate2 members.

[vcsjones]

Archived and FriendlyName's setters are only supported on Windows.

Contributes to #47977.

[dotnet-issue-labeler]

Note regarding the new-api-needs-documentation label:

This serves as a reminder for when your PR is modifying a ref *.cs file and adding/modifying public APIs, to please make sure the API implementation in the src *.cs file is documented with triple slash comments, so the PR reviewers can sign off that change.

[ghost]

Tagging subscribers to this area: @bartonjs, @vcsjones, @krwq, @GrabYourPitchforks
See info in area-owners.md if you want to be subscribed.

Issue Details

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Archived and FriendlyName's setters are only supported on Windows.

Contributes to #47977.

Author:	vcsjones
Assignees:	-
Labels:	area-System.Security, new-api-needs-documentation
Milestone:	-

[vcsjones]

I... think... this is unrelated. I have no idea what "Build Analysis" is.

[filipnavara]

I... think... this is unrelated.

It is indeed unrelated (see #53893 for details).

[bartonjs]

I have no idea what "Build Analysis" is.

It's a new tool that tries to scrape through the test results and build logs and present the most useful bits of data in one place.