https://github.com/gaurav-nelson/github-action-markdown-link-check
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// 対象のリンク
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https://github.com/textlint/textlint
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// 対象のテキスト
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https://github.com/korosuke613/zenn-metadata-updater-action/tree/v1/ https://zenn.dev/korosuke613/articles/zenn-metadata-updater