Bump github.com/hashicorp/terraform-plugin-docs from 0.3.0 to 0.4.0
Bumps [github.com/hashicorp/terraform-plugin-docs](https://github.com/hashicorp/terraform-plugin-docs) from 0.3.0 to 0.4.0.
- [Release notes](https://github.com/hashicorp/terraform-plugin-docs/releases)
- [Changelog](https://github.com/hashicorp/terraform-plugin-docs/blob/main/.goreleaser.yml)
- [Commits](https://github.com/hashicorp/terraform-plugin-docs/compare/v0.3.0...v0.4.0)
Signed-off-by: dependabot[bot] <[email protected]>
