DT-1089 - Upgrade Upload Artifact v3 -> v4 (#183)

https://broadworkbench.atlassian.net/browse/DT-1089

Changes
- upgrade upload-artifact v3->v4
- copying over the retention that we have set in TDR

## Testing
Test run on branch:
https://github.com/DataBiosphere/terra-data-catalog/actions/runs/12397586855
<img width="299" alt="image"
src="https://github.com/user-attachments/assets/3fef728b-f964-4b0c-9f2e-0ee9ba7ca304"
/>

Successful upload: 
<img width="983" alt="image"
src="https://github.com/user-attachments/assets/c63cdfb7-1185-4151-aefb-93f293ac135f"
/>

.github/workflows/integration-tests.yml

@@ -96,10 +96,11 @@ jobs:
 
       - name: Upload Test Reports for GitHub
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Test Reports
           path: integration/build/reports
+          retention-days: 7
 
   notify-de-slack:
     needs: [ build, test-env, test-runner ]