Update version to 5.2.1

Author: rafiss

README.md

@@ -7,7 +7,7 @@ CockroachDB adapter for ActiveRecord 4 and 5. This is a lightweight extension of
 Add this line to your project's Gemfile:
 
 ```ruby
-gem 'activerecord-cockroachdb-adapter', '~> 0.2'
+gem 'activerecord-cockroachdb-adapter', '~> 5.2.0'
 ```
 
 If you're using Rails 4.x, use the `0.1.x` versions of this gem.

activerecord-cockroachdb-adapter.gemspec

@@ -4,7 +4,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name          = "activerecord-cockroachdb-adapter"
-  spec.version       = "5.2.0"
+  spec.version       = "5.2.1"
   spec.licenses      = ["Apache-2.0"]
   spec.authors       = ["Cockroach Labs"]
   spec.email         = ["[email protected]"]