Updating tools/checkstyle/pom.xml version numbers for release 4.19.1.0-SNAPSHOT

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

Author: shwstppr

tools/checkstyle/pom.xml

@@ -22,7 +22,7 @@
     <name>Apache CloudStack Developer Tools - Checkstyle Configuration</name>
     <groupId>org.apache.cloudstack</groupId>
     <artifactId>checkstyle</artifactId>
-    <version>4.19.1.0</version>
+    <version>4.19.1.0-SNAPSHOT</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>