CI: Bump deprecated action

Author: ZedThree

.github/workflows/benchmark.yml

@@ -59,7 +59,7 @@ jobs:
         run: cp benchmarks.log .asv/results/
         working-directory: ${{ env.ASV_DIR }}
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: asv-benchmark-results-${{ runner.os }}