Bump React Native iOS tests to Xcode 13.3.1
Bump React Native iOS tests to Xcode 13.3.1

Summary:
Upgrade the version of Xcode used in Sandcastle to Xcode 13.3.1, and the version used on Circle CI to Xcode 13.3.1.

Added a reminder to the Circle CI config to ensure we keep these versions in sync in future updates.

Circle CI software manifest: https://circle-macos-docs.s3.amazonaws.com/image-manifest/v7555/index.html

Changelog: [Internal]

Reviewed By: makovkastar

Differential Revision: D36671468

fbshipit-source-id: 8c028915d38738c92b5f759186b0fb95a9274211

janicduplessis/react-native,javache/react-native,facebook/react-native,janicduplessis/react-native,janicduplessis/react-native,javache/react-native,javache/react-native,javache/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,javache/react-native,facebook/react-native,facebook/react-native,javache/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,javache/react-native,facebook/react-native,facebook/react-native