Reduce concurrency of sidekiq
Reduce concurrency of sidekiq

k0kubun/github-ranking,k0kubun/github-ranking,k0kubun/github-ranking,k0kubun/githubranking,k0kubun/githubranking,k0kubun/githubranking,k0kubun/github-ranking,k0kubun/githubranking,k0kubun/github-ranking,k0kubun/githubranking