Update shared infrastructure#31

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JimBobSquarePants merged 6 commits intomasterfrom

updateSharedInfra

Mar 25, 2020

Commits on Mar 17, 2020

Commits on Mar 23, 2020

Sign ImageSharp.Drawing.Tests.csproj with key from shared-infrastructure
brianpopow
committed

Commits on Mar 25, 2020