fix: resolve Windows SDK version mismatch on windows-latest runner

Co-authored-by: Saadnajmi <6722175+Saadnajmi@users.noreply.github.com>

Author: Copilot

.github/workflows/pr.yml

@@ -211,11 +211,11 @@ jobs:
         shell: powershell
 
       - name: Generate UWP app
-        run: yarn install-windows-test-app
+        run: yarn install-windows-test-app --use-nuget
         working-directory: apps/fluent-tester
 
       - name: Build UWP app
-        run: yarn windows --arch x64 --logging --no-packager --no-launch
+        run: yarn windows --arch x64 --logging --no-packager --no-launch --msbuildprops WindowsTargetPlatformVersion=10.0.22621.0
         working-directory: apps/fluent-tester
 
       - name: Prepare E2E Windows tests