Allow downgrading of HTTP version #141

Job	Run time
Build Unity package	3m 15s
Build Libraries / Build Native library (linux-x64)	3m 33s
Build Libraries / Build Native library (ios-x64)	41s
Build Libraries / Build Native library (osx-arm64)	8m 14s
Build Libraries / Build Native library (osx-x64)	7m 39s
Build Libraries / Build Native library (win-arm64)	2m 53s
Build Libraries / Build Native library (win-arm64-uwp)	2m 31s
Build Libraries / Build Native library (win-x64)	7m 48s
Build Libraries / Build Native library (android-arm)	1m 20s
Build Libraries / Build Native library (android-arm64)	1m 11s
Build Libraries / Build Native library (ios-arm64)	37s
Build Libraries / Build Native library (android-x64)	1m 5s
Build Libraries / Build and pack .NET library	1m 11s
Build Libraries / Update pre-built libraries for Unity	0s
	41m 58s

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