[Snyk] Upgrade remark-preset-lint-markdown-style-guide from 2.1.1 to 2.1.3#3

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snyk-upgrade-352d947a0880df276bc7218b0cce0b9acontentascode/metalsmith-remark-lint:snyk-upgrade-352d947a0880df276bc7218b0cce0b9aCopy head branch name to clipboard