Build(deps): Bump rubocop from 1.56.4 to 1.57.0 in /spec

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.56.4 to 1.57.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.56.4...v1.57.0)

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

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

spec/Gemfile

@@ -2,4 +2,4 @@ source 'https://rubygems.org'
 
 gem 'bosh-template'
 gem 'rspec'
-gem 'rubocop', '~> 1.56.4'
+gem 'rubocop', '~> 1.57.0'

spec/Gemfile.lock

@@ -29,12 +29,12 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.1)
-    rubocop (1.56.4)
+    rubocop (1.57.0)
       base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.3)
+      parser (>= 3.2.2.4)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
@@ -53,7 +53,7 @@ PLATFORMS
 DEPENDENCIES
   bosh-template
   rspec
-  rubocop (~> 1.56.4)
+  rubocop (~> 1.57.0)
 
 BUNDLED WITH
    2.4.13