Add Ruby 4.0 support

Bumps [voxpupuli/ruby-version](https://github.com/voxpupuli/ruby-version) from 1 to 2.
- [Release notes](https://github.com/voxpupuli/ruby-version/releases)
- [Commits](voxpupuli/ruby-version@v1...v2)

---
updated-dependencies:
- dependency-name: voxpupuli/ruby-version
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Run Rubocop
         run: bundle exec rake rubocop
       - id: ruby
-        uses: voxpupuli/ruby-version@v1
+        uses: voxpupuli/ruby-version@v2
 
   rspec:
     runs-on: ubuntu-24.04

puppet-blacksmith.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.license = 'Apache-2.0'
   s.require_paths = ['lib']
 
-  s.required_ruby_version = '>= 3.2.0', '< 4'
+  s.required_ruby_version = '>= 3.2.0', '< 5'
 
   s.add_dependency 'base64', '>= 0.2', '< 0.4'
   s.add_dependency 'puppet-modulebuilder', '~> 2.0', '>= 2.0.2'