Revise knowledge check YAML for date and content

Updated metadata date and adjusted question content.

Author: staleycyn

learn-pr/wwl-azure/guided-project-deploy-administer-linux-virtual-machines-azure/6-knowledge-check.yml

@@ -4,7 +4,7 @@ title: Module assessment
 metadata:
   title: Module assessment
   description: "Knowledge check"
-  ms.date: 07/30/2024
+  ms.date: 03/23/2026
   author: wwlpublish
   ms.author: cynthist
   ms.topic: unit
@@ -47,4 +47,4 @@ quiz:
       explanation: "Correct. The Storage Blob Data Contributor role provides read, write, and delete permissions."
     - content: "Storage Blob Delegator."
       isCorrect: false
-      explanation: "Incorrect. The Storage Blob Delegator role provides a user delegation key, which can then be used to create a shared access signature."
+      explanation: "Incorrect. The Storage Blob Delegator role provides a user delegation key, which can then be used to create a shared access signature."