Bump rspec-rails from 3.9.0 to 3.9.1

Bumps [rspec-rails](https://github.com/rspec/rspec-rails) from 3.9.0 to 3.9.1.
- [Release notes](https://github.com/rspec/rspec-rails/releases)
- [Changelog](https://github.com/rspec/rspec-rails/blob/master/Changelog.md)
- [Commits](https://github.com/rspec/rspec-rails/compare/v3.9.0...v3.9.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f