Bump pghero from 2.0.2 to 2.0.3
Bump pghero from 2.0.2 to 2.0.3

Bumps [pghero](https://github.com/ankane/pghero) from 2.0.2 to 2.0.3.
- [Changelog](https://github.com/ankane/pghero/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ankane/pghero/compare/v2.0.2...v2.0.3)
biow0lf/prometheus2.0,biow0lf/prometheus2.0,biow0lf/prometheus2.0,biow0lf/prometheus2.0