Update bundler requirement from ~> 1.7 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@v1.7.0...bundler-v2.2.0)

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

Author: dependabot-preview[bot]

Diff for: ood_support.gemspec

@@ -18,6 +18,6 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.7"
+  spec.add_development_dependency "bundler", "~> 2.2"
   spec.add_development_dependency "rake", "~> 13.0.1"
 end