[main] Update dependencies from dotnet/msbuild#16832

Merged

dotnet-maestro[bot] merged 5 commits intomainfrom

darc-main-c9d52ad1-ffa3-424a-9a7b-76a1ed21d1f8

Apr 19, 2021

Commits on Apr 10, 2021

Update dependencies from https://github.com/dotnet/msbuild build 20210408.5
dotnet-maestro[bot]
committed

Commits on Apr 14, 2021

Update dependencies from https://github.com/dotnet/msbuild build 20210413.2
dotnet-maestro[bot]
committed

Commits on Apr 15, 2021

Update dependencies from https://github.com/dotnet/msbuild build 20210414.2
dotnet-maestro[bot]
committed

Commits on Apr 16, 2021

Update dependencies from https://github.com/dotnet/msbuild build 20210415.5
dotnet-maestro[bot]
committed

Commits on Apr 19, 2021

Fix test to not try to restore project which doesn't have Restore target
dsplaisted
committed