RATIS-2515. Bump common-custom-user-data-maven-extension to 2.2.0 (apache#1442)

Author: dependabot[bot]

.mvn/extensions.xml

@@ -29,6 +29,6 @@
   <extension>
     <groupId>com.gradle</groupId>
     <artifactId>common-custom-user-data-maven-extension</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
   </extension>
 </extensions>