chore(release): 2.0.0 [skip ci]

# [2.0.0](https://gitlab.com/to-be-continuous/helmfile/compare/1.1.0...2.0.0) (2023-08-28)

### Features

* **oidc:** OIDC authentication support now requires explicit configuration (see doc) ([ba114d80](https://gitlab.com/to-be-continuous/helmfile/commit/ba114d80e34e3d04c00cffbf14724a709ecb9d69))

### BREAKING CHANGES

* **oidc:** OIDC authentication support now requires explicit configuration (see doc)