Use Boost::json in olp-cpp-sdk-authentication #2242

Job	Run time
PSV.Linux.22.04.gcc9.Tests.CodeCov	11m 22s
PSV.Clang.Format.Checker	43s
PSV.Linux.22.04.gcc11	9m 11s
PSV.Linux.24.04.gcc13.Tests	8m 24s
PSV.iOS.MacOS15.Xcode26.ARM64	6m 48s
PSV.iOS.MacOS14.Xcode15.ARM64	8m 36s
PSV.Linux.latest.gcc14.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	5m 14s
PSV.iOS.MacOS15.Xcode16.ARM64	7m 28s
PSV.Linux.Android.22.04	9m 0s
PSV.Linux.22.04.gcc9.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	4m 1s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	3m 8s
PSV.Win.VC2022	10m 10s
PSV.Linux.22.04.gcc11.OLP_SDK_NO_EXCEPTION=ON	7m 40s
PSV.Commit.Checker	8s
PSV.Linux.22.04.gcc9.Cpplint	9m 26s
PSV.MacOS15.Xcode16.ARM64	8m 6s
PSV.Linux.22.04.clang	9m 2s
	1h 58m 27s

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