Update benchmark requirement from ~> 0.3.0 to >= 0.3, < 0.5

Updates the requirements on [benchmark](https://github.com/ruby/benchmark) to permit the latest version.
- [Release notes](https://github.com/ruby/benchmark/releases)
- [Commits](ruby/benchmark@v0.3.0...v0.4.0)

---
updated-dependencies:
- dependency-name: benchmark
  dependency-version: 0.4.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

puppet.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency('scanf', '~> 1.0')
   spec.add_runtime_dependency('semantic_puppet', '~> 1.0')
   spec.add_runtime_dependency('ostruct', '~> 0.6.0')
-  spec.add_runtime_dependency('benchmark', '~> 0.3.0')
+  spec.add_runtime_dependency('benchmark', '>= 0.3', '< 0.5')
 
 
   platform = spec.platform.to_s