Update rust.yml

Author: konard

.github/workflows/rust.yml

@@ -59,7 +59,7 @@ jobs:
           git commit -m "Publish new benchmark results"
           git push origin gh-pages
       - name: Save benchmark results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Benchmark results
           path: |