Bump engines/pghero from `9449346` to `8c8572c`
Bump engines/pghero from `9449346` to `8c8572c`

Bumps [engines/pghero](https://github.com/ankane/pghero) from `9449346` to `8c8572c`.
- [Release notes](https://github.com/ankane/pghero/releases)
- [Commits](https://github.com/ankane/pghero/compare/944934691d148324dfc9ba8dbedc1e2d1a058300...8c8572ce063c3494690ff7c2327190857ef463d8)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
eliotsykes/real-world-rails