Add installing of libxcursor-dev (#83) #190

Job	Run time
Code formatting	14s
Exercise Python examples on ubuntu-latest	7m 11s
Exercise Python examples on macos-latest	9m 15s
Check Ruby Samples ubuntu-latest	2m 17s
Check Ruby Samples macos-latest	1m 51s
Build ubuntu-20.04 gcc os	1m 34s
Build ubuntu-20.04 gcc fetch	2m 6s
Build ubuntu-20.04 gcc vcpkg	6m 12s
Build ubuntu-20.04 clang os	1m 43s
Build ubuntu-20.04 clang fetch	2m 58s
Build ubuntu-20.04 clang vcpkg	7m 56s
Build macos-latest gcc os	2m 15s
Build macos-latest gcc fetch	6m 15s
Build macos-latest gcc vcpkg	2m 11s
Build macos-latest clang os	1m 51s
Build macos-latest clang fetch	2m 3s
Build macos-latest clang vcpkg	2m 2s
Build Windows fetch	6m 43s
Build Windows vcpkg	10m 55s
	1h 17m 32s

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