[Snyk] Security upgrade markdownlint-cli from 0.19.0 to 0.31.0#25

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snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-0d09f7d039bb5c61ad50a7f68d88e013

+125-52

Commits on Feb 9, 2022

fix: package.json & package-lock.json to reduce vulnerabilities
snyk-bot
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