Garnet v1.0.21

Get NuGet binaries at:

• https://www.nuget.org/packages/Microsoft.Garnet

More information at:

• https://microsoft.github.io/garnet
• https://github.com/microsoft/garnet
• https://www.microsoft.com/en-us/research/project/garnet

Changes:

• 3492813 Update version to 1.0.21 (#654)
• 2be827a Resetting scratchBufferManager in TryConsumeMessages (#653)

This list of changes was auto generated.