ansible: update self.release on all versions

lib/docs/scrapers/ansible.rb

@@ -31,27 +31,27 @@ module Docs
     ]
 
     version '2.8' do
-      self.release = '2.8'
+      self.release = '2.8.3'
       self.base_url = 'https://docs.ansible.com/ansible/2.7/'
     end
-  
+
     version '2.7' do
-      self.release = '2.7.1'
+      self.release = '2.7.12'
       self.base_url = 'https://docs.ansible.com/ansible/2.7/'
     end
 
     version '2.6' do
-      self.release = '2.6.7'
+      self.release = '2.6.18'
       self.base_url = 'https://docs.ansible.com/ansible/2.6/'
     end
 
     version '2.5' do
-      self.release = '2.5.3'
+      self.release = '2.5.15'
       self.base_url = 'https://docs.ansible.com/ansible/2.5/'
     end
 
     version '2.4' do
-      self.release = '2.4.3'
+      self.release = '2.4.6'
       self.base_url = 'https://docs.ansible.com/ansible/2.4/'
 
       options[:skip] = %w(