CI: optimize in building speed

.github/workflows/benchmark.yml

@@ -25,6 +25,6 @@ jobs:
           toolchain: "nightly"
       - uses: bencherdev/bencher@main
       - name: Prepare for benchmark
-        run: cargo run --example benchmark_integers
+        run: cargo run --example benchmark_integers --release
       - name: Track base branch benchmarks with Bencher
         run: bencher run --project iof --token '${{ secrets.BENCHER_API_TOKEN }}' --branch main --testbed '${{ matrix.os }}' --threshold-measure latency --threshold-test t_test --threshold-max-sample-size 64 --threshold-upper-boundary 0.99 --thresholds-reset --err --adapter rust_criterion --github-actions '${{ secrets.GITHUB_TOKEN }}' "cargo bench"