Bump rubocop-rspec from 2.20.0 to 2.22.0#1

dependabot[bot] wants to merge 1 commit intomainUnitapApp/heroku-buildpack-python:mainfrom

dependabot/bundler/rubocop-rspec-2.22.0UnitapApp/heroku-buildpack-python:dependabot/bundler/rubocop-rspec-2.22.0Copy head branch name to clipboard