Is your feature request related to a problem? Please describe.
Supports transitioning between networks. This feature is useful for mobile devices where it's common to switch between WIFI and cellular networks as a mobile device changes location.
https://learn.microsoft.com/en-us/dotnet/core/extensions/httpclient-http3
Describe the solution you'd like
Add Version and HttpVersionPolicy support for HttpRequestMessage
Describe alternatives you've considered
Describe suggestions on how to achieve the feature
Additional context