Bump rack-protection from 2.0.7 to 2.0.8.1

Bumps [rack-protection](https://github.com/sinatra/sinatra) from 2.0.7 to 2.0.8.1.
- [Release notes](https://github.com/sinatra/sinatra/releases)
- [Changelog](https://github.com/sinatra/sinatra/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sinatra/sinatra/compare/v2.0.7...v2.0.8.1)

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