Fix homebrew

Author: David-Engel

eng/pipelines/common/templates/steps/configure-sql-server-macos-step.yml

@@ -15,6 +15,9 @@ parameters:
 steps:
 # Linux only steps
 - bash: |
+    # The "user" pipeline variable conflicts with homebrew, causing errors during install. Set it back to the pipeline user.
+    USER=`whoami`
+
     brew install colima
     brew install --cask docker
     brew tap microsoft/mssql-release https://github.com/Microsoft/homebrew-mssql-release