Bump apps/open-source-billing from `89d3765` to `6aed644`
Bump apps/open-source-billing from `89d3765` to `6aed644`

Bumps [apps/open-source-billing](https://github.com/vteams/open-source-billing) from `89d3765` to `6aed644`.
- [Release notes](https://github.com/vteams/open-source-billing/releases)
- [Commits](https://github.com/vteams/open-source-billing/compare/89d37651aa2aca82fee58503ba6bf3792f843966...6aed6442c3b7573c5da8502d6c08c70a6911a6df)

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