Do not enforce HTTP/2 for cURL-based network (#1610) #1885

Job	Run time
PSV.Linux.22.04.gcc13.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	5m 52s
PSV.Linux.22.04.gcc9.Tests.CodeCov	9m 53s
PSV.Linux.22.04.gcc13	15m 11s
PSV.Linux.Android.22.04	6m 37s
PSV.iOS.MacOS13.Xcode16	6m 35s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 16s
PSV.Linux.22.04.gcc11	7m 53s
PSV.MacOS14.Xcode15	5m 16s
PSV.iOS.MacOS13.Xcode14	10m 16s
PSV.Linux.22.04.gcc9.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 18s
PSV.Linux.22.04.clang	8m 58s
PSV.iOS.MacOS13.Xcode15	10m 31s
PSV.Linux.22.04.gcc9.Cpplint	8m 23s
PSV.Win.VC2019	9m 29s
PSV.MacOS13.Xcode15.x86_64	3m 40s
PSV.iOS.MacOS14.Xcode15	6m 52s
PSV.MacOS13.Xcode16	2m 48s
PSV.Commit.Checker	0s
	2h 2m 48s

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