Bump rubocop from 1.63.1 to 1.64.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.63.1 to 1.64.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.63.1...v1.64.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile

@@ -7,5 +7,5 @@ gemspec
 
 group :development do
   gem 'rspec', '~> 3.13'
-  gem 'rubocop', '~> 1.63.1'
+  gem 'rubocop', '~> 1.64.0'
 end

Gemfile.lock

@@ -12,13 +12,14 @@ GEM
     json (2.7.2)
     language_server-protocol (3.17.0.3)
     parallel (1.24.0)
-    parser (3.3.0.5)
+    parser (3.3.1.0)
       ast (~> 2.4.1)
       racc
-    racc (1.7.3)
+    racc (1.8.0)
     rainbow (3.1.1)
-    regexp_parser (2.9.0)
-    rexml (3.2.6)
+    regexp_parser (2.9.2)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -32,7 +33,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
-    rubocop (1.63.1)
+    rubocop (1.64.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -43,9 +44,10 @@ GEM
       rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.31.2)
-      parser (>= 3.3.0.4)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
+    strscan (3.1.0)
     unicode-display_width (2.5.0)
 
 PLATFORMS
@@ -54,7 +56,7 @@ PLATFORMS
 DEPENDENCIES
   rspec (~> 3.13)
   rspec-github!
-  rubocop (~> 1.63.1)
+  rubocop (~> 1.64.0)
 
 BUNDLED WITH
    2.2.19