[stzn/the-swift-programming-language-jp] Pull request review submitted: #605 [Concurrency] Exampleの修正

[stzn/the-swift-programming-language-jp] Pull request closed: #605 [Concurrency] Exampleの修正

[stzn/the-swift-programming-language-jp] Issue closed: #604 コード例のインデックス誤りを修正

[stzn/the-swift-programming-language-jp] Pull request opened: #606 docs(contributor): contributors readme action update

[stzn/the-swift-programming-language-jp] Pull request review submitted: #606 docs(contributor): contributors readme action update

[stzn/the-swift-programming-language-jp] Pull request closed: #606 docs(contributor): contributors readme action update