chore: relax jruby-rack requirement to allow compatibility with upcoming 1.3.x

Author: chadlwilson

CHANGELOG.md

@@ -5,6 +5,7 @@
 - #589: fix: Jetty wars don't have console logging enabled by default
 - #591: chore: clean up obsolete & deprecated code from 2.0.x and old Bundler versions
 - #592: chore: relax rubyzip requirement to allow rubyzip 2.x
+- #593: chore: relax jruby-rack requirement to allow compatibility with upcoming 1.3.x
 
 ## 2.1.0
 

warbler.gemspec

@@ -33,7 +33,7 @@ bundle up all of your application files for deployment to a Java environment.}
   gem.add_runtime_dependency 'rake', ['~> 13.0', '>= 13.0.3']
   gem.add_runtime_dependency 'rexml', '~> 3.0'
   gem.add_runtime_dependency 'jruby-jars', ['>= 9.4', '< 10.1']
-  gem.add_runtime_dependency 'jruby-rack', '~> 1.2.6'
+  gem.add_runtime_dependency 'jruby-rack', ['>= 1.2.6', '< 1.4']
   gem.add_runtime_dependency 'rubyzip', ['>= 2.1.0', '< 4']
   gem.add_runtime_dependency 'ostruct', '~> 0.6.2'
   gem.add_development_dependency 'rspec', '~> 3.0'