Add screenshot/image upload to integ tests (#292)

* Upload artifacts

* Switch to v4

* Add 4 day retention

---------

Co-authored-by: Mackenzie Zastrow <[email protected]>

Author: zastrowm

.github/workflows/integration-test.yml

@@ -85,3 +85,12 @@ jobs:
 
       - name: Run integration tests
         run: npm run test:integ:all
+
+      - name: Upload browser test screenshots
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: browser-test-screenshots
+          path: tests_integ/browser/__screenshots__/
+          retention-days: 4
+          if-no-files-found: ignore