Check documentation on CI #1343

Job	Run time
check_documentation	35s
compute_package_version	15s
build_and_test (ubuntu-latest, Release, roslyn3.8)	2m 59s
build_and_test (ubuntu-latest, Release, roslyn4.2)	3m 8s
build_and_test (ubuntu-latest, Release, roslyn4.4)	3m 9s
build_and_test (ubuntu-latest, Release, roslyn4.6)	3m 1s
build_and_test (ubuntu-latest, Release, roslyn4.8)	2m 48s
build_and_test (ubuntu-latest, Release, default)	3m 2s
build_and_test (windows-latest, Release, roslyn3.8)	7m 0s
build_and_test (windows-latest, Release, roslyn4.2)	8m 38s
build_and_test (windows-latest, Release, roslyn4.4)	7m 39s
build_and_test (windows-latest, Release, roslyn4.6)	7m 1s
build_and_test (windows-latest, Release, roslyn4.8)	6m 49s
build_and_test (windows-latest, Release, default)	6m 53s
create_nuget	2m 16s
validate_nuget	59s
deploy	0s
create_release	0s
	1h 6m 12s

Provide feedback