Fix version label for WinUI 3 SDK

Author: RDMacLachlan

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -37,7 +37,7 @@ body:
       options:
         - "WinUI 3 - Windows App SDK 1.6.3: 1.6.241114003"
         - "WinUI 3 - Windows App SDK 1.6 Preview 2: 1.6.240821007-preview2"
-        - "WinUI 3 - Windows App SDK 1.7 Experimental 4: 1.7.250127003-experimental3"
+        - "WinUI 3 - Windows App SDK 1.7 Experimental 3: 1.7.250127003-experimental3"
         - "WinUI 2 - Microsoft.UI.Xaml 2.8.2"
   - type: dropdown
     attributes: