Update bundler

Author: bhb

test_construct.gemspec

@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.3"
+  spec.add_development_dependency "bundler", ">= 2.2.10"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "minitest", "~> 5.0.8"
   spec.add_development_dependency "mocha", "~> 0.14.0"