gems(deps): bump rubocop-rspec from 2.18.1 to 2.19.0 (#15)

Bumps [rubocop-rspec](https://github.com/rubocop/rubocop-rspec) from 2.18.1 to 2.19.0.
- [Release notes](https://github.com/rubocop/rubocop-rspec/releases)
- [Changelog](https://github.com/rubocop/rubocop-rspec/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rspec@v2.18.1...v2.19.0)

---
updated-dependencies:
- dependency-name: rubocop-rspec
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -65,7 +65,7 @@ GEM
       rubocop-ast (>= 0.4.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.18.1)
+    rubocop-rspec (2.19.0)
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
     ruby-progressbar (1.13.0)