chore(deps): relax version constraint on bundler

Author: DirtyF

jekyll-redirect-from.gemspec

@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = ">= 2.3.0"
 
   spec.add_runtime_dependency "jekyll", "~> 3.3"
-  spec.add_development_dependency "bundler", "~> 1.16"
+  spec.add_development_dependency "bundler"
   spec.add_development_dependency "jekyll-sitemap", "~> 1.0"
   spec.add_development_dependency "rake", "~> 12.0"
   spec.add_development_dependency "rspec", "~> 3.5"