Upgrade: bump bunyan from 1.8.12 to 1.8.14 (#87)

Bumps [bunyan](https://github.com/trentm/node-bunyan) from 1.8.12 to 1.8.14.
- [Release notes](https://github.com/trentm/node-bunyan/releases)
- [Changelog](https://github.com/trentm/node-bunyan/blob/1.8.14/CHANGES.md)
- [Commits](trentm/node-bunyan@1.8.12...1.8.14)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>