FEAT: Support Django 5.1 - Remove index_together usage and update CI/Test Configs#452

bewithgaurav merged 6 commits intodevmicrosoft/mssql-django:devfrom

Nandana/5.1/replace_index_togethermicrosoft/mssql-django:Nandana/5.1/replace_index_togetherCopy head branch name to clipboard