Update dependency org.hibernate:hibernate-core to v5.3.18.Final

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

pom.xml

@@ -301,7 +301,7 @@
       <dependency>
         <groupId>org.hibernate</groupId>
         <artifactId>hibernate-core</artifactId>
-        <version>5.2.11.Final</version>
+        <version>5.3.18.Final</version>
       </dependency>
       <dependency>
         <groupId>org.hibernate</groupId>