Upgrade Hibernate to 5.6.9.Final.

Closes #2583.

Author: gregturn

pom.xml

@@ -31,7 +31,7 @@
     <!-- AspectJ maven plugin can't handle 17 yet -->
 
 		<eclipselink>3.0.2</eclipselink>
-		<hibernate>5.6.0.Final</hibernate>
+		<hibernate>5.6.9.Final</hibernate>
 		<jsqlparser>4.3</jsqlparser>
 		<mysql-connector-java>8.0.23</mysql-connector-java>
 		<postgresql>42.2.19</postgresql>

spring-data-envers/pom.xml

@@ -48,7 +48,7 @@
 	</scm>
 
 	<properties>
-		<hibernate.envers>5.5.7.Final</hibernate.envers>
+		<hibernate.envers>${hibernate}</hibernate.envers>
 		<java-module-name>spring.data.envers</java-module-name>
 	</properties>