Bump apps/discourse from `2b66a43` to `477538b`
Bump apps/discourse from `2b66a43` to `477538b`

Bumps [apps/discourse](https://github.com/discourse/discourse) from `2b66a43` to `477538b`.
- [Release notes](https://github.com/discourse/discourse/releases)
- [Commits](https://github.com/discourse/discourse/compare/2b66a4364db5877d595eec3b5b59cda155f3bc6a...477538bf2dde226747cfa9de85006bbab1930f63)

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