Add native image runtime hints.

We provide an initial set of runtime hints required to spin up data repositories on GraalVM native image.
Additionally we skip synthetic types during type inspection.

Original Pull Request: #2624

src/main/java/org/springframework/data/mapping/callback/EntityCallback.java

@@ -15,6 +15,9 @@
  */
 package org.springframework.data.mapping.callback;
 
+import org.springframework.aot.hint.annotation.Reflective;
+import org.springframework.data.aot.PublicMethodReflectiveProcessor;
+
 /**
  * Marker interface for entity callbacks to be implemented in specific callback subtypes. Intended for internal usage
  * within store specific implementations.
@@ -59,6 +62,7 @@ package org.springframework.data.mapping.callback;
  * @see org.springframework.core.Ordered
  * @see org.springframework.core.annotation.Order
  */
+@Reflective({PublicMethodReflectiveProcessor.class})
 public interface EntityCallback<T> {
 
 }