Bump rubocop from 1.46.0 to 1.47.0 (#2736)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.46.0 to 1.47.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop/compare/v1.46.0...v1.47.0)

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

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

Gemfile

@@ -24,7 +24,7 @@ gem 'espeak-ruby', '>= 1.0.4' # Text-to-Voice
 gem 'rake', '>= 13.0'
 gem 'otr-activerecord', '>= 1.4.2'
 gem 'sqlite3'
-gem 'rubocop', '~> 1.46.0', require: false
+gem 'rubocop', '~> 1.47.0', require: false
 
 # Geolocation support
 group :geoip do

Gemfile.lock

@@ -164,7 +164,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.46.0)
+    rubocop (1.47.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.2.0.0)
@@ -174,7 +174,7 @@ GEM
       rubocop-ast (>= 1.26.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.26.0)
+    rubocop-ast (1.27.0)
       parser (>= 3.2.1.0)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.5)
@@ -286,7 +286,7 @@ DEPENDENCIES
   rdoc
   rest-client (>= 2.1.0)
   rspec
-  rubocop (~> 1.46.0)
+  rubocop (~> 1.47.0)
   rubyzip (>= 1.2.2)
   rushover
   selenium-webdriver