Update pom.xml

Update mysql driver

Author: agcopley

openid-connect-server-webapp/pom.xml

@@ -133,6 +133,7 @@
 <dependency>
 <groupId>mysql</groupId>
 <artifactId>mysql-connector-java</artifactId>
+<version>5.1.45</version>
 <scope>runtime</scope>
 </dependency>
 <dependency>