Update jquery-ui-rails requirement from ~> 5.0 to >= 5, < 7

Updates the requirements on [jquery-ui-rails](https://github.com/joliss/jquery-ui-rails) to permit the latest version.
- [Release notes](https://github.com/joliss/jquery-ui-rails/releases)
- [Changelog](https://github.com/jquery-ui-rails/jquery-ui-rails/blob/master/History.md)
- [Commits](https://github.com/joliss/jquery-ui-rails/commits/v6.0.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

calagator.gemspec

@@ -32,7 +32,7 @@ Gem::Specification.new do |s|
   s.add_dependency "geokit", "~> 1.9.0"
   s.add_dependency "htmlentities", "~> 4.3"
   s.add_dependency "jquery-rails"
-  s.add_dependency "jquery-ui-rails", "~> 5.0"
+  s.add_dependency "jquery-ui-rails", ">= 5", "< 7"
   s.add_dependency "loofah", "~> 2.0"
   s.add_dependency "loofah-activerecord", "~> 1.2"
   s.add_dependency "lucene_query", "0.1"