Make bench job mandatory again in CI

Author: bjorn3

.github/workflows/main.yml

@@ -242,8 +242,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     if: ${{ github.ref == 'refs/heads/main' }}
-    # FIXME add bench back once rust-lang/cargo#16925 has been fixed
-    needs: [todo_check, rustfmt, test, dist]
+    needs: [todo_check, rustfmt, test, bench, dist]
 
     permissions:
       contents: write # for creating the dev tag and release