[Security] Bump rack-protection from 2.0.0 to 2.0.1
[Security] Bump rack-protection from 2.0.0 to 2.0.1

Bumps [rack-protection](https://github.com/rkh/rack-protection) from 2.0.0 to 2.0.1. **This update includes security fixes.**
- [Release notes](https://github.com/rkh/rack-protection/releases)
- [Commits](https://github.com/rkh/rack-protection/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alphagov/asset-manager,alphagov/asset-manager,alphagov/asset-manager