Meta: Add coreutils in macos Azure setup

coreutils include timeout tool that is going to be used in layout
tests script.

Meta/Azure/Setup.yml

@@ -38,7 +38,7 @@ steps:
     - script: |
         set -e
         brew update
-        brew install bash ninja wabt ccache unzip qt llvm@15
+        brew install coreutils bash ninja wabt ccache unzip qt llvm@15
       displayName: 'Install Dependencies'
 
   - ${{ if eq(parameters.os, 'Android') }}: