Skip class transformer in PersistenceUnitInfoDescriptor for native images

In order to restore native support with Hibernate 6.2, this
change updates the PersistenceUnitInfoDescriptor instance
created by SpringHibernateJpaPersistenceProvider in order to
skip the class transformer for native images.

Closes gh-30492

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/SpringHibernateJpaPersistenceProvider.java

@@ -22,6 +22,7 @@ import java.util.Map;
 
 import jakarta.persistence.EntityManagerFactory;
 import jakarta.persistence.spi.PersistenceUnitInfo;
+import org.hibernate.bytecode.enhance.spi.EnhancementContext;
 import org.hibernate.cfg.Configuration;
 import org.hibernate.cfg.Environment;
 import org.hibernate.jpa.HibernatePersistenceProvider;
@@ -63,6 +64,13 @@ class SpringHibernateJpaPersistenceProvider extends HibernatePersistenceProvider
 					public List<String> getManagedClassNames() {
 						return mergedClassesAndPackages;
 					}
+
+					@Override
+					public void pushClassTransformer(EnhancementContext enhancementContext) {
+						if (!NativeDetector.inNativeImage()) {
+							super.pushClassTransformer(enhancementContext);
+						}
+					}
 				}, properties).build();
 	}