Merge pull request #719 from apache/dependabot/maven/1.11.x/hibernate…

….version-5.6.15.Final

Bump hibernate.version from 5.6.14.Final to 5.6.15.Final

pom.xml

@@ -118,7 +118,7 @@
         <groovy.version>2.5.21</groovy.version>
         <junit.version>4.13.2</junit.version>
         <junit.server.jetty.version>0.11.0</junit.server.jetty.version>
-        <hibernate.version>5.6.14.Final</hibernate.version>
+        <hibernate.version>5.6.15.Final</hibernate.version>
         <taglibs.standard.version>1.2.5</taglibs.standard.version>
         <!-- so we can mock static methods in 3rd party libraries that sometimes don't use proper interfaces
              ahem, hazelcast, ahem... -->