chore(release): 4.0.0 [skip ci]

# [4.0.0](https://gitlab.com/to-be-continuous/semantic-release/compare/3.16.0...4.0.0) (2025-08-13)

* feat(vault)!: enable certificate verification ([a6252242](https://gitlab.com/to-be-continuous/semantic-release/commit/a6252242d9b5a299935565c3a03908c1057b81b3))

### BREAKING CHANGES

* self-signed certificates must be declared in your GitLab DEFAULT_CA_CERTS or with VAULT_CA_CERTS variable