Xcode 10.3 is available

The Xcode 10.3 build environment is available on Travis CI.

To use Xcode 10.3 in your builds, add the following to your .travis.yml file:

osx_image: xcode10.3

You can find more information about what it comes with at: https://docs.travis-ci.com/user/reference/osx/#xcode-103

Happy building!