Bump rubocop from 1.49.0 to 1.50.2

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.49.0 to 1.50.2.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.49.0...v1.50.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -209,7 +209,7 @@ GEM
       kwalify (~> 0.7.0)
       parser (~> 3.2.0)
       rainbow (>= 2.0, < 4.0)
-    regexp_parser (2.7.0)
+    regexp_parser (2.8.0)
     request_store (1.5.0)
       rack (>= 1.4)
     responders (3.1.0)
@@ -233,7 +233,7 @@ GEM
       rspec-mocks (~> 3.11)
       rspec-support (~> 3.11)
     rspec-support (3.11.1)
-    rubocop (1.49.0)
+    rubocop (1.50.2)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.2.0.0)