Update to HSQLDB 2.5.2

Closes gh-9966

Author: eleftherias

gradle/dependency-management.gradle

@@ -184,7 +184,7 @@ dependencyManagement {
 		dependency 'org.hibernate:hibernate-core:5.2.18.Final'
 		dependency 'org.hibernate:hibernate-entitymanager:5.4.32.Final'
 		dependency 'org.hibernate:hibernate-validator:6.1.7.Final'
-		dependency 'org.hsqldb:hsqldb:2.5.1'
+		dependency 'org.hsqldb:hsqldb:2.5.2'
 		dependency 'org.jasig.cas.client:cas-client-core:3.5.1'
 		dependency 'org.javassist:javassist:3.22.0-CR2'
 		dependency 'org.jboss.logging:jboss-logging:3.3.1.Final'