Update AZ-204_07_lab.md

Updated to match 07_ak

Instructions/Labs/AZ-204_07_lab.md

@@ -79,7 +79,7 @@ Find the taskbar on your Windows 10 desktop. The taskbar contains the icons for
     - Existing resource group: **ConfidentialStack**
     - App name: **securefunc[yourname]**
     - Publish: **Code**
-    - Runtime Stack: **.NET Core**
+    - Runtime Stack: **.NET**
     - Version: **3.1**
     - Region: **East US**
     - Operating system: **Linux**