Add support for adding .cff-file variable in version_variables #962
Description
When you have a CITATION.cff file in a python project, the package version is stored in a variable version in this file which needs to be updated for each release, i.e.:
cff-version: 1.2.0
message: "If you use this software, please cite it as below."
authors:
- family-names: Druskat
given-names: Stephan
orcid: https://orcid.org/1234-5678-9101-1121
title: "My Research Software"
version: 2.0.4
identifiers:
- type: doi
value: 10.5281/zenodo.1234
date-released: 2021-08-11
Request support for adding CITATION.cff to version_variables list.