Bump rubocop-rspec from 2.1.0 to 2.2.0 (#1166)

Bumps [rubocop-rspec](https://github.com/rubocop-hq/rubocop-rspec) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/rubocop-hq/rubocop-rspec/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop-rspec/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rspec@v2.1.0...v2.2.0)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

Gemfile.lock

@@ -52,7 +52,7 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.4.1)
       parser (>= 2.7.1.5)
-    rubocop-rspec (2.1.0)
+    rubocop-rspec (2.2.0)
       rubocop (~> 1.0)
       rubocop-ast (>= 1.1.0)
     ruby-progressbar (1.11.0)