hsqldb version upgrade. postgresql specific syntax enabled for test suite sql.syntax_pgs=true

@@ -15,7 +15,7 @@ spring.jpa.database-platform=org.hibernate.dialect.HSQLDialect
 
 spring.datasource.username=sa
 spring.datasource.password=
-spring.datasource.url=jdbc:hsqldb:file:target/tmp/testDb;sql.enforce_size=false
+spring.datasource.url=jdbc:hsqldb:file:target/tmp/testDb;sql.enforce_size=false;sql.syntax_pgs=true
 spring.datasource.driverClassName=org.hsqldb.jdbc.JDBCDriver
 spring.datasource.hikari.maximumPoolSize = 50
 

@@ -90,7 +90,7 @@
         <jts.version>1.15.0</jts.version>
         <bouncycastle.version>1.64</bouncycastle.version>
         <winsw.version>2.0.1</winsw.version>
-        <hsqldb.version>2.5.0</hsqldb.version>
+        <hsqldb.version>2.6.0</hsqldb.version>
         <dbunit.version>2.5.3</dbunit.version>
         <spring-test-dbunit.version>1.2.1</spring-test-dbunit.version>
         <postgresql.driver.version>42.2.20</postgresql.driver.version>