Revert "Change .SNAPSHOT to -SNAPSHOT"

This reverts commit 0de077a.

Author: Caitlin Bales (MSFT)

build.gradle

@@ -1,4 +1,4 @@
--/*
+/*
  * This build file was generated by the Gradle 'init' task.
  *
  * This generated file contains a sample Java Library project to get you started.
@@ -46,7 +46,7 @@ publishing {
 
             artifactId 'microsoft-graph'
 
-            version '${mavenMajorVersion}.${mavenMinorVersion}-SNAPSHOT'
+            version '${mavenMajorVersion}.${mavenMinorVersion}.SNAPSHOT'
 
             from components.java