This pull request is for #25511
Change 'Error: Already tapped' to 'Warning: Already tapped'
This should probably change the original exception thrown instead. Also, I'm still against this change but only minorly. @Homebrew/owners thoughts?
With this change, are there any callers of install_tap that *don't* suppress this exception? I couldn't find any.
If that's the case, it should probably just return true/false (or handle the messaging itself).
tap: never throw AlreadyTappedError.
Just make it a warning instead.