This step extends version and build number provided as parameters (Version number, Build number) with a pre-release identifier (Pre-release identifier, e.g. alpha, beta, rc)
and a pre-release number. The build number is optional and it's not incremented. The pre-release number is automatically incremented based on the existing git tags.
If there are no tags for the provided version, pre-release number is set to the initial value (Pre-release initial value).
Pre-release information is exported to the following environment variables:
rc.3)v2.0-rc.3)You can use these environment variables in next steps (e.g. when creating a git tag).
