Utility function for creating system-specific Meta messages.
The ci field of the Meta message contains values from environment variables
defined by the following supported CI and build servers:
- Azure Pipelines
- Bamboo
- Buddy
- Bitrise
- CircleCI
- CodeFresh
- CodeShip
- GitHub Actions
- GitLab
- GoCD
- Jenkins and Jenkins Git plugin
- Semaphore
- Travis CI
- Wercker
Please see CONTRIBUTING.md for more information.