Allow using up to Rails 8 with this gem

Author: codeodor

twitter-bootstrap-rails.gemspec

@@ -18,8 +18,8 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_dependency 'railties', '>= 5.0', '< 7.0'
-  s.add_dependency 'actionpack', '>= 5.0', '< 7.0'
+  s.add_dependency 'railties', '>= 5.0', '< 8.0'
+  s.add_dependency 'actionpack', '>= 5.0', '< 8.0'
   s.add_dependency 'less-rails', '>= 3.0', '< 5.0'
 
   s.add_runtime_dependency 'execjs', '~> 2.7'