Update dependency org.flywaydb:flyway-database-postgresql to v11

pom.xml

@@ -67,7 +67,7 @@
         <dependency>
             <groupId>org.flywaydb</groupId>
             <artifactId>flyway-database-postgresql</artifactId>
-            <version>10.4.1</version>
+            <version>11.1.0</version>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>