Update Galea serial board and gains #12

Job	Run time
CppUnix (Release, ubuntu-latest)	7m 3s
CppUnix (Release, macos-11.0)	8m 30s
CppUnix (Debug, ubuntu-latest)	5m 27s
CppUnix (Debug, macos-11.0)	5m 11s
CppWindows (static, Release, Win32)	4m 32s
CppWindows (static, Release, x64)	4m 38s
CppWindows (static, Debug, Win32)	3m 35s
CppWindows (static, Debug, x64)	3m 37s
CppWindows (dynamic, Release, Win32)	4m 25s
CppWindows (dynamic, Release, x64)	4m 35s
CppWindows (dynamic, Debug, Win32)	3m 42s
CppWindows (dynamic, Debug, x64)	3m 44s
	58m 59s

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