Bump apps/mastodon from `bb18092` to `a69ca29`
Bump apps/mastodon from `bb18092` to `a69ca29`

Bumps [apps/mastodon](https://github.com/tootsuite/mastodon) from `bb18092` to `a69ca29`.
- [Release notes](https://github.com/tootsuite/mastodon/releases)
- [Commits](https://github.com/tootsuite/mastodon/compare/bb180921a362f0e5972674caaad8921e4f32de4a...a69ca294738dbe22bacaf9f1fc5a551d99797b35)

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