A development team is working on a new feature in a project hosted in AWS CodeCommit. They want to ensure that any changes pushed to the master branch have been reviewed and approved by at least two team members before being merged. Which feature in CodeCommit can they utilize to enforce this requirement?
Configuring a pull request approval rule in CodeCommit for the master branch
Implementing stage locking on the master branch
Requiring a pre-signed commit policy on the master branch
Enabling branch protections for the master branch