[main] Update dependencies from dotnet/roslyn#7777

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riarenas merged 2 commits intomainfrom

darc-main-37150dd2-a876-4028-a0da-e067b9efe866

Aug 26, 2021

Commits on Aug 23, 2021

Update dependencies from https://github.com/dotnet/roslyn build 20210820.19
dotnet-maestro[bot]
committed

Commits on Aug 25, 2021

Merge branch 'main' into darc-main-37150dd2-a876-4028-a0da-e067b9efe866
riarenas
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