Update SupportedBoards.rst #1036

Job	Run time
CppUnix (Release, ubuntu-latest)	7m 16s
CppUnix (Release, macos-12)	5m 0s
CppUnix (Debug, ubuntu-latest)	5m 49s
CppUnix (Debug, macos-12)	2m 52s
CppWindows (static, Release, Win32)	4m 13s
CppWindows (static, Release, x64)	4m 22s
CppWindows (static, Debug, Win32)	4m 28s
CppWindows (static, Debug, x64)	3m 29s
CppWindows (dynamic, Release, Win32)	4m 54s
CppWindows (dynamic, Release, x64)	5m 9s
CppWindows (dynamic, Debug, Win32)	3m 27s
CppWindows (dynamic, Debug, x64)	3m 42s
	54m 41s

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