Bump rubocop from 0.91.0 to 0.92.0 (#14885)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.91.0 to 0.92.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop/compare/v0.91.0...v0.92.0)

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

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

Gemfile

@@ -140,7 +140,7 @@ group :development do
   gem 'letter_opener', '~> 1.7'
   gem 'letter_opener_web', '~> 1.4'
   gem 'memory_profiler'
-  gem 'rubocop', '~> 0.91', require: false
+  gem 'rubocop', '~> 0.92', require: false
   gem 'rubocop-rails', '~> 2.8', require: false
   gem 'brakeman', '~> 4.9', require: false
   gem 'bundler-audit', '~> 0.7', require: false

Gemfile.lock

@@ -534,17 +534,18 @@ GEM
     rspec-support (3.9.3)
     rspec_junit_formatter (0.4.1)
       rspec-core (>= 2, < 4, != 2.12.0)
-    rubocop (0.91.0)
+    rubocop (0.92.0)
       parallel (~> 1.10)
-      parser (>= 2.7.1.1)
+      parser (>= 2.7.1.5)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.7)
       rexml
-      rubocop-ast (>= 0.4.0, < 1.0)
+      rubocop-ast (>= 0.5.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (0.4.2)
+    rubocop-ast (0.7.0)
-      parser (>= 2.7.1.4)
+      parser (>= 2.7.1.5)
+      strscan (>= 1.0.0)
     rubocop-rails (2.8.1)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
@@ -605,6 +606,7 @@ GEM
       multi_json (~> 1.8)
     strong_migrations (0.7.1)
       activerecord (>= 5)
+    strscan (1.0.3)
     temple (0.8.2)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
@@ -776,7 +778,7 @@ DEPENDENCIES
   rspec-rails (~> 4.0)
   rspec-sidekiq (~> 3.1)
   rspec_junit_formatter (~> 0.4)
-  rubocop (~> 0.91)
+  rubocop (~> 0.92)
   rubocop-rails (~> 2.8)
   ruby-progressbar (~> 1.10)
   sanitize (~> 5.2)