ignore generated code in code coverage (SimpleCov only) [skip ci]

Author: mojavelinux

.simplecov

@@ -1,4 +1,4 @@
 SimpleCov.start do
-  add_filter %w(/.bundle/ /spec/)
+  add_filter %w(/.bundle/ /spec/ /lib/asciidoctor/pdf/formatted_text/parser.rb)
   coverage_dir 'coverage/report-simplecov'
 end