Update rubocop requirement from = 1.15.0 to = 1.16.0 (#2332)

Updates the requirements on [rubocop](https://github.com/rubocop/rubocop) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.15.0...v1.16.0)

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

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

Gemfile.lock

@@ -27,16 +27,16 @@ GEM
     rake (13.0.3)
     regexp_parser (2.1.1)
     rexml (3.2.5)
-    rubocop (1.15.0)
+    rubocop (1.16.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 1.5.0, < 2.0)
+      rubocop-ast (>= 1.7.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.5.0)
+    rubocop-ast (1.7.0)
       parser (>= 3.0.1.1)
     ruby-progressbar (1.11.0)
     simplecov (0.17.1)
@@ -58,7 +58,7 @@ DEPENDENCIES
   minitest (= 5.14.4)
   pry (= 0.14.1)
   rake (= 13.0.3)
-  rubocop (= 1.15.0)
+  rubocop (= 1.16.0)
   simplecov (= 0.17.1, < 0.18)
   test-unit (= 3.4.1)
   timecop (= 0.9.4)

faker.gemspec

@@ -32,7 +32,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency('minitest', '5.14.4')
   spec.add_development_dependency('pry', '0.14.1')
   spec.add_development_dependency('rake', '13.0.3')
-  spec.add_development_dependency('rubocop', '1.15.0')
+  spec.add_development_dependency('rubocop', '1.16.0')
   # Workaround for cc-test-reporter with SimpleCov 0.18.
   # Stop upgrading SimpleCov until the following issue will be resolved.
   # https://github.com/codeclimate/test-reporter/issues/418