Update rubocop requirement from = 1.56.0 to = 1.56.1

Updates the requirements on [rubocop](https://github.com/rubocop/rubocop) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.56.0...v1.56.1)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -67,7 +67,7 @@ GEM
     rake (13.0.6)
     regexp_parser (2.8.1)
     rexml (3.2.6)
-    rubocop (1.56.0)
+    rubocop (1.56.1)
       base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
@@ -108,7 +108,7 @@ DEPENDENCIES
   minitest (~> 5.19.0)
   mocha (~> 2.1.0)
   rake (~> 13.0.6)
-  rubocop (= 1.56.0)
+  rubocop (= 1.56.1)
   rubocop-github (~> 0.20.0)
 
 BUNDLED WITH

erblint-github.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "mocha", "~> 2.1.0"
   s.add_development_dependency "rake", "~> 13.0.6"
 
-  s.add_development_dependency "rubocop", "= 1.56.0"
+  s.add_development_dependency "rubocop", "= 1.56.1"
   s.add_development_dependency "rubocop-github", "~> 0.20.0"
   s.metadata["rubygems_mfa_required"] = "true"