Password Troubleshooting Reference Fix

Correct the package to NoOpPasswordEncoder within the reference

Fixes: gh-4965

docs/manual/src/docs/asciidoc/_includes/password-encoder.adoc

@@ -231,7 +231,7 @@ if you are using XML configuration, you can expose a `PasswordEncoder` with the
 [source,xml]
 ----
 <b:bean id="passwordEncoder"
-        class="org.springframework.security.crypto.NoOpPasswordEncoder" factory-method="getInstance"/>
+        class="org.springframework.security.crypto.password.NoOpPasswordEncoder" factory-method="getInstance"/>
 ----
 
 Alternatively, you can prefix all of your passwords with the correct id and continue to use `DelegatingPasswordEncoder`.