Update versioning to use -beta.

Author: yojagad

binding-library/java/pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.microsoft.azure.functions</groupId>
     <artifactId>azure-functions-java-library-rabbitmq</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
+    <version>1.0.0-beta</version>
     <packaging>jar</packaging>
     <parent>
         <groupId>com.microsoft.maven</groupId>
@@ -140,4 +140,4 @@
             </plugin>
         </plugins>
     </build>
-</project>
+</project>