Bump apps/mastodon from `49eb4d4` to `8485c43`
Bump apps/mastodon from `49eb4d4` to `8485c43`

Bumps [apps/mastodon](https://github.com/tootsuite/mastodon) from `49eb4d4` to `8485c43`.
- [Release notes](https://github.com/tootsuite/mastodon/releases)
- [Commits](https://github.com/tootsuite/mastodon/compare/49eb4d4ddf61e25c5aaab89aa630ddd3c7f3c23d...8485c436d5d083c28df8c942fe521bfb46edfc9f)

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