Update The Branching Model Config For A Repository

Update the branching model configuration for a repository.The `development` branch can be configured to a specific branch or totrack the main branch. When set to a specific branch it mustcurrently exist. Only the passed properties will be updated. Theproperties not passed will be left unchanged. A request without a`development` property will leave the development branch unchanged.It is possible for the `development` branch to be invalid. Thishappens when it...