sinatra_2.0.gemfile in kiev-4.4.0

- old
+ new

@@ -1,15 +1,17 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 gem "oj"
 
 gem "xml-simple"
 
 gem "sinatra", "2.0.0"
 gem "sinatra-contrib"
-gem "rack-parser", :require => "rack/parser"
+gem "rack-parser", require: "rack/parser"
 
 gem "rack-test", require: false
 gem "rspec", require: false
 gem "minitest-reporters", require: false
 
-gemspec :path => "../"
+gemspec path: "../"