Update kitchen-vagrant requirement from ~> 1.10.0 to ~> 1.12.0

Updates the requirements on [kitchen-vagrant](https://github.com/opscode/kitchen-vagrant) to permit the latest version.
- [Release notes](https://github.com/opscode/kitchen-vagrant/releases)
- [Changelog](https://github.com/test-kitchen/kitchen-vagrant/blob/main/CHANGELOG.md)
- [Commits](test-kitchen/kitchen-vagrant@v1.10.0...v1.12.0)

---
updated-dependencies:
- dependency-name: kitchen-vagrant
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile

@@ -13,7 +13,7 @@ end
 
 group :test do
   gem 'chefspec', '~> 9.3.0'
-  gem 'kitchen-vagrant', '~> 1.10.0'
+  gem 'kitchen-vagrant', '~> 1.12.0'
   gem 'safe_yaml', '~> 1.0.5'
   gem 'test-kitchen', '~> 3.0.0'
 end