Work around OSX native dependency install issue (#21913)
Work around OSX native dependency install issue (#21913)

"brew update" before "brew install"
To work around https://github.com/dotnet/coreclr/issues/21910

krk/coreclr,krk/coreclr,poizan42/coreclr,krk/coreclr,poizan42/coreclr,poizan42/coreclr,wtgodbe/coreclr,mmitche/coreclr,krk/coreclr,mmitche/coreclr,mmitche/coreclr,mmitche/coreclr,cshung/coreclr,mmitche/coreclr,poizan42/coreclr,krk/coreclr,krk/coreclr,poizan42/coreclr,cshung/coreclr,wtgodbe/coreclr,cshung/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,cshung/coreclr,cshung/coreclr,mmitche/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,poizan42/coreclr,cshung/coreclr