Bump engines/thredded from `fd19646` to `83f547a`
Bump engines/thredded from `fd19646` to `83f547a`

Bumps [engines/thredded](https://github.com/thredded/thredded) from `fd19646` to `83f547a`.
- [Release notes](https://github.com/thredded/thredded/releases)
- [Commits](https://github.com/thredded/thredded/compare/fd196463a01196e165b532af18cbcdb786337f41...83f547a957d74dbd4353af2206a7c1c43eeabcbb)

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