Bump rspec from 3.7.0 to 3.8.0
Bump rspec from 3.7.0 to 3.8.0

Bumps [rspec](https://github.com/rspec/rspec) from 3.7.0 to 3.8.0.
- [Release notes](https://github.com/rspec/rspec/releases)
- [Commits](https://github.com/rspec/rspec/compare/v3.7.0...v3.8.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
potsbo/stroke_counter,potsbo/stroke_counter