Update pry requirement from ~> 0.14.2 to ~> 0.15.2

Updates the requirements on [pry](https://github.com/pry/pry) to permit the latest version.
- [Release notes](https://github.com/pry/pry/releases)
- [Changelog](https://github.com/pry/pry/blob/master/CHANGELOG.md)
- [Commits](pry/pry@v0.14.2...v0.15.2)

---
updated-dependencies:
- dependency-name: pry
  dependency-type: direct:development
...

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

puppet-syntax.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'puppet', '>= 7', '< 9'
   spec.add_dependency 'rake', '~> 13.1'
 
-  spec.add_development_dependency 'pry', '~> 0.14.2'
+  spec.add_development_dependency 'pry', '~> 0.15.2'
   spec.add_development_dependency 'rb-readline', '~> 0.5.5'
 
   spec.add_development_dependency 'voxpupuli-rubocop', '~> 2.8.0'