Windows CI jobs take >1 hour to run

[imnasnainaec]

61 and 73 minutes on master

[imnasnainaec]

Possible improvements:

• Exclude test directories from Windows Defender to speed up Windows CI #385 (longest check took 66 minutes)
• Run LibChorus hg-integration tests in parallel with logic tests on Windows #386 (longest check took 38 minutes)