Update master_cannehagshome.yml

Author: cannehag

.github/workflows/master_cannehagshome.yml

@@ -29,7 +29,7 @@ jobs:
         run: dotnet publish -c Release -o ${{env.DOTNET_ROOT}}/myapp
 
       - name: Upload artifact for deployment job
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: .net-app
           path: ${{env.DOTNET_ROOT}}/myapp