depends_on macos: :sierra

Summary

Unable to install microk8s using brew on Tahoe 26.1. Multipass pkg download and install work.

Following message output during brew install/upgrade microk8s on Tahoe 26.1:

Warning: Calling `depends_on macos: :sierra` is deprecated! There is no replacement.
Please report this issue to the ubuntu/homebrew-microk8s tap (not Homebrew/* repositories):
  /opt/homebrew/Library/Taps/ubuntu/homebrew-microk8s/Formula/microk8s.rb:9

What Should Happen Instead?

Reproduction Steps

1. download and install multipass
2. brew install microk8s

Introspection Report

Unable to run any microk8s commands.

Can you suggest a fix?

Looks like this depends_on macos: :sierra should be updated to depends_on macos: :tahoe

Are you interested in contributing with a fix?

This would be a good bug for a junior developer.