Clarify UseSocketsHttpHandler availability in versions

[karelz]

Clarify that UseSocketsHttpHandler switch is available only on 2.1-3.1 and not 5.0+

Makes the doc consistent with SocketsHttpHandler remarks - https://docs.microsoft.com/en-us/dotnet/api/system.net.http.socketshttphandler#remarks

[ghost]

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Issue Details

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Clarify that UseSocketsHttpHandler switch is available only on 2.1-3.1 and not 5.0+

Makes the doc consistent with SocketsHttpHandler remarks - https://docs.microsoft.com/en-us/dotnet/api/system.net.http.socketshttphandler#remarks

Author:	karelz
Assignees:	-
Labels:	area-System.Net.Http
Milestone:	-

[opbld33]

Docs Build status updates of commit 1b4c6fe:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Net.Http/HttpClientHandler.xml	✅Succeeded	View

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[gewarren]

Just a nit to consider.

[opbld33]

Docs Build status updates of commit 90e1ac2:

❌ Validation status: errors

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[gewarren]

Close/reopen for fresh build.

[opbld31]

Docs Build status updates of commit 90e1ac2:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Net.Http/HttpClientHandler.xml	✅Succeeded	View

For more details, please refer to the build report.

Note: Broken links written as relative paths are included in the above build report. For broken links written as absolute paths or external URLs, see the broken link report.

For any questions, please:

• Try searching the docs.microsoft.com contributor guides
• Post your question in the Docs support channel