feat: run benchmark on GitHub workflow, compare & upload test results

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Look for existing GitHub workflows in the repository to understand the CI setup. Research how to run benchmarks in the project, compare results, and upload them. The issue lacks specific details on what to benchmark, how to compare, or where to upload, so start by examining the codebase for existing performance tests or benchmarks.

索引モデルが issue の本文から書いたものです。