build(deps-dev): update rubocop-minitest requirement

Updates the requirements on [rubocop-minitest](https://github.com/rubocop/rubocop-minitest) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop-minitest/releases)
- [Changelog](https://github.com/rubocop/rubocop-minitest/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-minitest@v0.32.2...v0.33.0)

---
updated-dependencies:
- dependency-name: rubocop-minitest
  dependency-type: direct:development
...

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

Gemfile

@@ -29,7 +29,7 @@ group :development do
   # rubocop
   if Gem::Requirement.new("~> 3.0").satisfied_by?(Gem::Version.new(RUBY_VERSION))
     gem "rubocop", "1.57.1"
-    gem "rubocop-minitest", "0.32.2"
+    gem "rubocop-minitest", "0.33.0"
     gem "rubocop-packaging", "0.5.2"
     gem "rubocop-performance", "1.19.1"
     gem "rubocop-rake", "= 0.6.0"