ci(dependabot): bump actions/upload-artifact from 2 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/test-scraper.yml

@@ -94,7 +94,7 @@ jobs:
           python .github/workflows/scripts/run-scraper.py ${{ github.event.comment.body }}
 
       - name: Upload Results
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: scraper-test-results
           # default 90 seems unnecessary for these test results