Add support for inspec 5 and drop inspec < 4.25.1 (#485)

Add support for inspec 5

Update dependencies to drop support for inspec versions below 4.25.1

Update changelog

Also update inspec link in CONTRIBUTING.md

Fixes #479

CHANGELOG.md

@@ -8,6 +8,14 @@ and this project adheres to
 
 ## [Unreleased][unreleased]
 
+### Added
+
+- Support for Inspec < 6.0
+
+### Changed
+
+- Dropped support for Inspec < 4.25.1
+
 ## [6.1.0] - 2022-01-22
 
 ### Added

CONTRIBUTING.md

@@ -201,7 +201,7 @@ bundle exec middleman build --build-dir docs
 [github-issue-tracker]: https://github.com/newcontext-oss/kitchen-terraform/issues
 [gitter-chat]: https://gitter.im/kitchen-terraform/Lobby
 [guard]: http://guardgem.org/
-[inspec]: https://github.com/chef/inspec/tree/v1.44.8
+[inspec]: https://github.com/inspec/inspec
 [middleman]: https://middlemanapp.com/
 [rake]: https://ruby.github.io/rake/
 [rspec]: http://rspec.info/

kitchen-terraform.gemspec

@@ -39,7 +39,7 @@ require "rubygems"
   specification.add_runtime_dependency "delegate", ">= 0.1.0", "< 0.3.0"
   specification.add_runtime_dependency "dry-validation", "~> 1.6"
   specification.add_runtime_dependency "mixlib-shellout", "~> 3.0"
-  specification.add_runtime_dependency "inspec", ">= 3", "< 5", "!= 4.24.26", "!= 4.24.28", "!= 4.24.32"
+  specification.add_runtime_dependency "inspec", ">= 4.25.1", "< 6"
   specification.add_runtime_dependency "json", "~> 2.3"
   specification.add_runtime_dependency "test-kitchen", ">= 2.1", "< 4.0"
   specification.add_runtime_dependency "tty-which", "~> 0.5.0"