Bump ruby-prof from 1.0.0 to 1.2.0
Bump ruby-prof from 1.0.0 to 1.2.0

Bumps [ruby-prof](https://github.com/ruby-prof/ruby-prof) from 1.0.0 to 1.2.0.
- [Release notes](https://github.com/ruby-prof/ruby-prof/releases)
- [Changelog](https://github.com/ruby-prof/ruby-prof/blob/master/CHANGES)
- [Commits](https://github.com/ruby-prof/ruby-prof/compare/1.0.0...1.2.0)

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