Merge branch 'master' of github.com:TigerVNC/tigervnc into HEAD

 Conflicts:
	.github/workflows/build.yml
	cmake/Modules/FindPixman.cmake
	common/network/UnixSocket.cxx
	common/rfb/CMakeLists.txt
	common/rfb/Region.cxx
	common/rfb/SDesktop.h
	unix/vncpasswd/vncpasswd.cxx

Change-Id: I097966d482e0a99a47fb44e6bb9374250bb2db0f