Update dotnet-preview from 6.0.0 to 6.0.1 (#12822)
Update dotnet-preview from 6.0.0 to 6.0.1 (#12822)

* Update dotnet-preview from 6.0.0 to 6.0.1

* bump arm version

Co-authored-by: Bevan Kay <a88b7dcd1a9e3e17770bbaa6d7515b31a2d7e85d@bevankay.me>
mahori/homebrew-cask-versions