chore(release): 4.0.0 [skip ci]

# [4.0.0](https://gitlab.com/to-be-continuous/cloud-foundry/compare/3.1.0...4.0.0) (2023-08-28)

### Features

* **oidc:** OIDC authentication support now requires explicit configuration (see doc) ([42483499](https://gitlab.com/to-be-continuous/cloud-foundry/commit/424834998695e870175d28b029dc2d25821e2f79))

### BREAKING CHANGES

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