Upgrade to HSQLDB 2.7.1

-- version 2.7.1 jar requires JRE 11 or later - tested up to Java 17
-- version 2.7.1 alternative jar requires JRE 8 or later
-- CVE-2022-41853 disallow calling java methods - setting the hsqldb.java_method_names is required for accessing java methods
-- enhancements to RECURSIVE CTE's