chore(deps): rubocop-jekyll-0.3 (#227)

Merge pull request 227

.rubocop.yml

@@ -1,8 +1,6 @@
+inherit_from: .rubocop_todo.yml
+
 require: rubocop-jekyll
 
 inherit_gem:
   rubocop-jekyll: .rubocop.yml
-
-Lint/Debugger:
-  Exclude:
-    - script/console

.rubocop_todo.yml

@@ -0,0 +1,12 @@
+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2018-10-26 18:39:42 +0200 using RuboCop version 0.60.0.
+# The point is for the user to remove these configuration records
+# one by one as the offenses are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 1
+Lint/Debugger:
+  Exclude:
+    - 'script/console'

jekyll-sitemap.gemspec

@@ -26,5 +26,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "jekyll-last-modified-at", "0.3.4"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "rubocop-jekyll", "~> 0.1"
+  spec.add_development_dependency "rubocop-jekyll", "~> 0.3"
 end

lib/jekyll/jekyll-sitemap.rb

@@ -27,7 +27,7 @@ def generate(site)
     #   1. A '>' followed by a newline or
     #   2. A '}' which closes a Liquid tag
     # We will strip all of this whitespace to minify the template
-    MINIFY_REGEX = %r!(?<=>\n|})\s+!
+    MINIFY_REGEX = %r!(?<=>\n|})\s+!.freeze
 
     # Array of all non-jekyll site files with an HTML extension
     def static_files