Perform NullAway build-time checks in more modules

This commit enables null-safety build-time checks in
all remaining modules except spring-test.

See gh-32475

spring-orm/src/main/java/org/springframework/orm/jpa/persistenceunit/PersistenceManagedTypesBeanRegistrationAotProcessor.java

@@ -203,6 +203,7 @@ class PersistenceManagedTypesBeanRegistrationAotProcessor implements BeanRegistr
 			});
 		}
 
+		@SuppressWarnings("NullAway")
 		private void registerInstantiatorForReflection(ReflectionHints reflection, @Nullable Annotation annotation) {
 			if (annotation == null) {
 				return;