Fix hibernate 7 latest dep tests (#14021)

Author: laurit

instrumentation/hibernate/hibernate-6.0/javaagent/src/hibernate7Test/java/io/opentelemetry/javaagent/instrumentation/hibernate/v7_0/SessionTest.java

@@ -52,14 +52,15 @@ class SessionTest extends AbstractHibernateTest {
   @MethodSource("provideHibernateActionParameters")
   void testHibernateAction(Parameter parameter) {
     Session session = sessionFactory.openSession();
+    session.beginTransaction();
+
     Value value = session.merge(prepopulated.get(0));
     testing.waitForTraces(1);
     testing.clearData();
 
     testing.runWithSpan(
         "parent",
         () -> {
-          session.beginTransaction();
           try {
             parameter.sessionMethodTest.accept(session, value);
           } catch (RuntimeException e) {