CI: Make JS Benchmarks use the JS repl from the job with the same commit

In practice this does not make a big difference, but technically it
could happen that a second JS Repl artifact was built before the first
JS Benchmarks job is executed. So make sure to filter on commit ID.

.github/workflows/js-benchmarks.yml

@@ -35,6 +35,7 @@ jobs:
         uses: dawidd6/action-download-artifact@v9
         with:
           workflow: js-artifacts.yml
+          commit: ${{ github.sha }}
           name: ladybird-js-Linux-x86_64
           path: js-repl