Update all dependencies #917

Job	Run time
compute_package_version	4s
build_and_test (ubuntu-latest, Debug, roslyn3.8)	2m 18s
build_and_test (ubuntu-latest, Debug, roslyn4.2)	1m 52s
build_and_test (ubuntu-latest, Debug, roslyn4.4)	2m 23s
build_and_test (ubuntu-latest, Debug, default)	1m 53s
build_and_test (ubuntu-latest, Release, roslyn3.8)	2m 13s
build_and_test (ubuntu-latest, Release, roslyn4.2)	1m 53s
build_and_test (ubuntu-latest, Release, roslyn4.4)	2m 27s
build_and_test (ubuntu-latest, Release, default)	2m 24s
build_and_test (windows-latest, Debug, roslyn3.8)	5m 27s
build_and_test (windows-latest, Debug, roslyn4.2)	5m 35s
build_and_test (windows-latest, Debug, roslyn4.4)	5m 9s
build_and_test (windows-latest, Debug, default)	4m 42s
build_and_test (windows-latest, Release, roslyn3.8)	5m 5s
build_and_test (windows-latest, Release, roslyn4.2)	5m 10s
build_and_test (windows-latest, Release, roslyn4.4)	5m 10s
build_and_test (windows-latest, Release, default)	5m 30s
create_nuget	1m 31s
validate_nuget	30s
deploy	22s
create_release	0s
	1h 1m 38s

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