Bump apps/discourse from `e74bdfd` to `2123561`
Bump apps/discourse from `e74bdfd` to `2123561`

Bumps [apps/discourse](https://github.com/discourse/discourse) from `e74bdfd` to `2123561`.
- [Release notes](https://github.com/discourse/discourse/releases)
- [Commits](https://github.com/discourse/discourse/compare/e74bdfdf8e47c8fb15ba5e1cd3870d9bba1c78c8...2123561125242a3c048958a56bd8bebe83cd577f)

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