Update dependency javax.servlet:servlet-api to v2.5

Author: mend-for-github-com[bot]

pom.xml

@@ -37,7 +37,7 @@
 	<dependency>
     <groupId>javax.servlet</groupId>
     <artifactId>servlet-api</artifactId>
-    <version>2.3</version>
+    <version>2.5</version>
     <scope>provided</scope>
 </dependency>	 	
   </dependencies>