Bump apps/sharetribe from `77b20a1` to `8220e9a`
Bump apps/sharetribe from `77b20a1` to `8220e9a`

Bumps [apps/sharetribe](https://github.com/sharetribe/sharetribe) from `77b20a1` to `8220e9a`.
- [Release notes](https://github.com/sharetribe/sharetribe/releases)
- [Upgrade guide](https://github.com/sharetribe/sharetribe/blob/master/UPGRADE.md)
- [Commits](https://github.com/sharetribe/sharetribe/compare/77b20a19697d6ffb356c1a362b5192a713c3f270...8220e9adf0604c05f42d649e6d3c6de5f0b75a9d)

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