Release version 2.2.1

Author: pkuczynski

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 ...
 
-## 2.2.0
+## 2.2.1
 
 ### Performance improvements
 
@@ -16,7 +16,7 @@
 
 * Fix missing new_ostruct_member in Ruby 2.7 ([#255](https://github.com/rubyconfig/config/pull/255))
 * Fix validation contract documentation ([#260](https://github.com/rubyconfig/config/pull/260))
-* Fix validation contract documentation ([#260](https://github.com/rubyconfig/config/pull/260))
+* Excluded test application's *.md files from the gem build ([#267](https://github.com/rubyconfig/config/pull/267))
 
 ### Changes
 

config.gemspec

@@ -21,7 +21,7 @@ Please consider donating to our open collective to help us maintain this project
 👉  Donate: \e[34mhttps://opencollective.com/rubyconfig/donate\e[0m\n"
 
   s.files = `git ls-files`.split($/)
-  s.files.select! { |file| /(^lib\/|\w*.md$|\.gemspec$)/ =~ file }
+  s.files.select! { |file| /(^lib\/|^\w+.md$|\.gemspec$)/ =~ file }
 
   s.require_paths         = ['lib']
   s.required_ruby_version = '>= 2.4.0'

lib/config/version.rb

@@ -1,3 +1,3 @@
 module Config
-  VERSION = '2.2.0'.freeze
+  VERSION = '2.2.1'.freeze
 end