[pom] Update spymemcached to 2.12.3

Author: hazendaz

pom.xml

@@ -83,7 +83,7 @@
     <dependency>
       <groupId>net.spy</groupId>
       <artifactId>spymemcached</artifactId>
-      <version>2.12.2</version>
+      <version>2.12.3</version>
       <scope>compile</scope>
     </dependency>