Using org level sona credentials

Author: rismehta

.circleci/settings.xml

@@ -76,7 +76,7 @@
     <servers>
         <server>
             <id>ossrh</id>
-            <username>${env.SONATYPE_USER}</username>
+            <username>${env.SONATYPE_USERNAME}</username>
             <password>${env.SONATYPE_PASSWORD}</password>
         </server>
         <server>