Use latest version of SDoc

Cross-refs zzak/sdoc#138.

[John Hawthorn]

Gemfile

@@ -33,7 +33,7 @@ gem "rubocop-performance", require: false
 gem "rubocop-rails", require: false
 
 group :doc do
-  gem "sdoc", "~> 1.0"
+  gem "sdoc", "~> 1.1"
   gem "redcarpet", "~> 3.2.3", platforms: :ruby
   gem "w3c_validators"
   gem "kindlerb", "~> 1.2.0"

Gemfile.lock

@@ -443,7 +443,7 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    sdoc (1.0.0)
+    sdoc (1.1.0)
       rdoc (>= 5.0)
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
@@ -590,7 +590,7 @@ DEPENDENCIES
   rubocop-performance
   rubocop-rails
   sass-rails
-  sdoc (~> 1.0)
+  sdoc (~> 1.1)
   selenium-webdriver (>= 3.141.592)
   sequel
   sidekiq