DOCSP-23947: app db uses scram-sha-256 (#1152)

Author: jwilliams-mongo

source/tutorial/plan-om-resource.txt

@@ -93,7 +93,7 @@ configuration in the |application|.
 Authentication
 ++++++++++++++
 
-The |k8s-op-short| enforces ``SCRAM-SHA-1``
+The |k8s-op-short| enforces ``SCRAM-SHA-256``
 :manual:`authentication </core/security-scram/#scram-mechanisms>` on
 the Application Database.