CI: build with hidden symbols using Clang #2252

Job	Run time
PSV.Linux.22.04.gcc9.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 54s
PSV.Linux.22.04.gcc11	8m 57s
PSV.Linux.latest.gcc14.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	4m 26s
PSV.Linux.22.04.gcc9.Tests.CodeCov	10m 49s
PSV.Linux.22.04.gcc11.OLP_SDK_NO_EXCEPTION=ON	7m 40s
PSV.Linux.22.04.gcc9.Cpplint	8m 56s
PSV.MacOS15.Xcode16.ARM64	6m 36s
PSV.Linux.24.04.gcc13.Tests	8m 26s
PSV.Linux.22.04.clang.hidden	4m 19s
PSV.Win.VC2022	10m 1s
PSV.Linux.Android.22.04	6m 59s
PSV.Commit.Checker	7s
PSV.iOS.MacOS14.Xcode15.ARM64	7m 17s
PSV.iOS.MacOS15.Xcode16.ARM64	9m 5s
PSV.iOS.MacOS15.Xcode26.ARM64	7m 56s
PSV.Clang.Format.Checker	35s
PSV.Linux.22.04.clang	9m 52s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 48s
	1h 57m 43s

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