Bump rubocop from 1.51.0 to 1.56.2

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.51.0 to 1.56.2.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.51.0...v1.56.2)

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

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

gems.locked

@@ -18,6 +18,7 @@ GEM
       aws-sigv4 (~> 1.4)
     aws-sigv4 (1.5.2)
       aws-eventstream (~> 1, >= 1.0.2)
+    base64 (0.1.1)
     childprocess (4.1.0)
     concurrent-ruby (1.2.2)
     data_magic (1.2)
@@ -35,6 +36,7 @@ GEM
     iniparse (1.5.0)
     jmespath (1.6.2)
     json (2.6.3)
+    language_server-protocol (3.17.0.3)
     mini_mime (1.1.2)
     multi_xml (0.6.0)
     onlyoffice_bugzilla_helper (0.6.1)
@@ -75,8 +77,8 @@ GEM
     racc (1.7.1)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.8.0)
-    rexml (3.2.5)
+    regexp_parser (2.8.1)
+    rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -93,14 +95,16 @@ GEM
       rspec-core (> 3.3)
     rspec-support (3.12.0)
     rspec_passed_time_formatter (0.2.0)
-    rubocop (1.51.0)
+    rubocop (1.56.2)
+      base64 (~> 0.1.1)
       json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.0.0)
+      parser (>= 3.2.2.3)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.28.0, < 2.0)
+      rubocop-ast (>= 1.28.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.29.0)