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]>

fog-google.gemspec

@@ -39,7 +39,7 @@ Gem::Specification.new do |spec|
   # Debugger
   # Locked because pry-byebug is broken with 13+
   # see: https://github.com/deivid-rodriguez/pry-byebug/issues/343
-  spec.add_development_dependency "pry", "= 0.14.2"
+  spec.add_development_dependency "pry", "= 0.15.2"
 
   # Testing gems
   spec.add_development_dependency "retriable"