Update postman-tests.yml

Author: AdeIfeh

.github/workflows/postman-tests.yml

@@ -31,8 +31,8 @@ jobs:
             npx newman run C:\Users\USER-PC\Documents\TestAutomationProjects\Postman-Collections\Ardilla_Retail_Withdrawal_Requests_web.postman_collection.json -r cli,htmlextra --reporter-htmlextra-export ./newman/results.html
 
         - name: Upload Test Results
-          uses: actions/upload-artifact@v3
+          uses: actions/upload-artifact@v4
           with:
             name: postman-test-results
             path: ./newman/results.html
-    
+