fixed error

Author: jeevasusej

.github/workflows/dotnet-desktop.yml

@@ -57,7 +57,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
@@ -83,7 +83,7 @@ jobs:
 
       - name: Upload test results
         if: always() # Upload test results even if tests fail
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: test-results
           path: |