Bump apps/mastodon from `2ae751f` to `4b2ec4a`
Bump apps/mastodon from `2ae751f` to `4b2ec4a`

Bumps [apps/mastodon](https://github.com/tootsuite/mastodon) from `2ae751f` to `4b2ec4a`.
- [Release notes](https://github.com/tootsuite/mastodon/releases)
- [Commits](https://github.com/tootsuite/mastodon/compare/2ae751f19d48c12e70a445ce1d01149866b56ce8...4b2ec4a2dc3348ff27f74f442e408d92075bf7c2)

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