Relax bundler constraint

Author: jacobvosmaer

taglib-ruby.gemspec

@@ -23,7 +23,7 @@ DESC
   s.require_paths = ["lib"]
   s.requirements = ["taglib (libtag1-dev in Debian/Ubuntu, taglib-devel in Fedora/RHEL)"]
 
-  s.add_development_dependency 'bundler', '~> 1.2'
+  s.add_development_dependency 'bundler', '>= 1.2', '< 3'
   s.add_development_dependency 'rake-compiler', '~> 0.9'
   s.add_development_dependency 'shoulda-context', '~> 1.0'
   s.add_development_dependency 'yard', '~> 0.9.12'