Fix release.yml due to bench folder move (#988)

Author: HarelM

.github/workflows/release.yml

@@ -115,8 +115,8 @@ jobs:
       - name: Copy benchmarks_generated.js
         run: |
           mkdir tmp
-          cp bench/versions/benchmarks_generated.js tmp
-          cp bench/versions/benchmarks_generated.js.map tmp
+          cp test/bench/versions/benchmarks_generated.js tmp
+          cp test/bench/versions/benchmarks_generated.js.map tmp
 
       - name: Upload Benchmarks to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3