Update bundler requirement from ~> 1.16 to ~> 2.2

Updates the requirements on [bundler](https://github.com/rubygems/rubygems) to permit the latest version.
- [Release notes](https://github.com/rubygems/rubygems/releases)
- [Changelog](https://github.com/rubygems/rubygems/blob/master/bundler/CHANGELOG.md)
- [Commits](rubygems/rubygems@v1.16.0...bundler-v2.2.0)

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

github_records_archiver.gemspec

@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'ruby-progressbar', '~> 1.0'
   spec.add_dependency 'thor', '~> 0.19'
   spec.add_development_dependency 'addressable', '~> 2.5'
-  spec.add_development_dependency 'bundler', '~> 1.16'
+  spec.add_development_dependency 'bundler', '~> 2.2'
   spec.add_development_dependency 'pry', '~> 0.10'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.0'