Merge pull request #17 from xdev-software/renovate/checkstyleversion

Update checkstyleVersion to v12.2.0

Author: AB-xdev

build.gradle

@@ -7,7 +7,7 @@ plugins {
 }
 
 ext {
-    checkstyleVersion = '12.1.2'
+    checkstyleVersion = '12.2.0'
 
     pmdVersion = '7.19.0'
 }