Document that devtools restart doesn't work with AspectJ weaving

See gh-28071

Author: cdalexndr

spring-boot-project/spring-boot-docs/src/docs/asciidoc/using-spring-boot.adoc

@@ -612,6 +612,8 @@ NOTE: DevTools needs to customize the `ResourceLoader` used by the `ApplicationC
 If your application provides one already, it is going to be wrapped.
 Direct override of the `getResource` method on the `ApplicationContext` is not supported.
 
+CAUTION: Automatic restart is not supported when using AspectJ weaving.
+
 [[using-spring-boot-restart-vs-reload]]
 .Restart vs Reload
 ****