BREAKING CHANGE: Remove support for publishing a package with node < 8. [Details](https://github.com/semantic-release/semantic-release#why-does-semantic-release-require-node-version-8).
BREAKING CHANGE: Remove support for publishing a package with node < 8. [Details](https://github.com/semantic-release/semantic-release#why-does-semantic-release-require-node-version-8).