fix(deps): update dependency markdownlint to v0.40.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
markdownlint	0.37.4 -> 0.40.0

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Release Notes

DavidAnson/markdownlint (markdownlint)

v0.40.0

Compare Source

• Improve MD011/MD013/MD051/MD060
• Update dependencies

v0.39.0

Compare Source

• Add MD060/table-column-style
• Improve MD001/MD007/MD009/MD010/MD029/MD033/MD037/MD059
• Add support for reporting violations as severity warning
• Deprecate resultVersion and toString (breaking change)
• Improve type definitions
• Improve demo web page
• Update dependencies

v0.38.0

Compare Source

• Add MD059/descriptive-link-text
• Improve MD025/MD027/MD036/MD038/MD041/MD043/MD045/MD051/MD052
• markdown-it parser no longer a production dependency (breaking change)
  • Add markdownItFactory option, remove markdownItPlugins option
• Remove support for end-of-life Node version 18
• Improve performance
• Update dependencies

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[JoshuaKGoldberg]

👋 Hi @renovate[bot], thanks for the pull request! A scan flagged a concern with it. Could you please take a look?

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