build(deps): bump gopkg.in/yaml.v2 from 2.3.0 to 2.4.0

Bumps [gopkg.in/yaml.v2](https://github.com/go-yaml/yaml) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/go-yaml/yaml/releases)
- [Commits](https://github.com/go-yaml/yaml/compare/v2.3.0...v2.4.0

)

Signed-off-by: dependabot[bot] <support@github.com>