chore(release): 2.1.0 [skip ci]
# [2.1.0](https://gitlab.com/to-be-continuous/helmfile/compare/2.0.0...2.1.0) (2023-09-02) ### Features * allow propagate custom output variables ([44085410](https://gitlab.com/to-be-continuous/helmfile/commit/440854107ebae1878bc35c7486309fd855e06d2c))