Hello, This is my first time setting dev env in Mac OS, I followed the CONTRIBUTING.md. and Came across a problem! How can I solve this?

➜  pulumi git:(master) ✗ brew install --HEAD -s dotnet-sdk.rb  
Running `brew update --auto-update`...
==> Auto-updated Homebrew!
Updated 4 taps (golangci/tap, aws/tap, pulumi/tap and homebrew/core).
==> New Formulae
abi3audit    auditwheel   gotpm        pan          sigstore     vulsio-gost

You have 4 outdated formulae and 1 outdated cask installed.

Error: Failed to load formula: dotnet-sdk.rb
dotnet-sdk: undefined method `cask' for Formulary::FormulaNamespacecb67604090afbe2f557478a3f2f5b268:Module
Did you mean?  case
Warning: Treating dotnet-sdk.rb as a cask.
Warning: Not upgrading dotnet-sdk, the latest version is already installed

Hi! I’m not sure how to fix this

brew

issue, but you can just download and install .NET directly from Microsoft. The result should be the same, I believe.

Yes , I have skip this , I just installed the last dotnet-sdk