Document that failure analyzers should use constructor injection

Closes gh-39099

Author: wilkinsona

spring-boot-project/spring-boot-docs/src/docs/asciidoc/howto/application.adoc

@@ -23,7 +23,7 @@ The following example registers `ProjectConstraintViolationFailureAnalyzer`:
 	com.example.ProjectConstraintViolationFailureAnalyzer
 ----
 
-NOTE: If you need access to the `BeanFactory` or the `Environment`, your `FailureAnalyzer` can implement `BeanFactoryAware` or `EnvironmentAware` respectively.
+NOTE: If you need access to the `BeanFactory` or the `Environment`, declare them as constructor arguments in your `FailureAnalyzer` implementation.