Bump rubocop from 1.63.4 to 1.64.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.63.4 to 1.64.0.
- [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/v1.63.4...v1.64.0)

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

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

Gemfile

@@ -23,7 +23,7 @@ gem 'espeak-ruby', '~> 1.1.0' # Text-to-Voice
 gem 'rake', '~> 13.2'
 gem 'otr-activerecord', '~> 2.2.0'
 gem 'sqlite3', '~> 1.4'
-gem 'rubocop', '~> 1.63.5', require: false
+gem 'rubocop', '~> 1.64.0', require: false
 
 # Geolocation support
 group :geoip do

Gemfile.lock

@@ -131,7 +131,7 @@ GEM
     qr4r (0.6.2)
       mojo_magick (~> 0.6.5)
       rqrcode_core (~> 1.0)
-    racc (1.7.3)
+    racc (1.8.0)
     rack (2.2.9)
     rack-protection (3.2.0)
       base64 (>= 0.1.0)
@@ -142,7 +142,7 @@ GEM
     rake (13.2.1)
     rdoc (6.6.3.1)
       psych (>= 4.0.0)
-    regexp_parser (2.9.0)
+    regexp_parser (2.9.2)
     reline (0.5.5)
       io-console (~> 0.5)
     rest-client (2.1.0)
@@ -167,7 +167,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.0)
-    rubocop (1.63.5)
+    rubocop (1.64.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -279,7 +279,7 @@ DEPENDENCIES
   rdoc (~> 6.6)
   rest-client (~> 2.1.0)
   rspec (~> 3.13)
-  rubocop (~> 1.63.5)
+  rubocop (~> 1.64.0)
   rubyzip (~> 2.3)
   rushover (~> 0.3.0)
   selenium-webdriver (~> 4.21)