branch-2.1: [improvement](regression)Add log to print jdbc url in prepare stmt test #50711 (#50729)

Cherry-picked from #50711

Co-authored-by: James <lijibing@selectdb.com>

regression-test/suites/prepared_stmt_p0/prepared_stmt.groovy

@@ -24,6 +24,7 @@ suite("test_prepared_stmt", "nonConcurrent") {
     def password = context.config.jdbcPassword
     // def url = context.config.jdbcUrl + "&useServerPrepStmts=true&useCursorFetch=true"
     String url = getServerPrepareJdbcUrl(context.config.jdbcUrl, "regression_test_prepared_stmt_p0")
+    logger.info("jdbc prepare statement url: ${url}")
     def result1 = connect(user, password, url) {
         sql """DROP TABLE IF EXISTS ${tableName} """
         sql """