Update dependency markdownlint-cli to v0.42.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
markdownlint-cli	0.40.0 -> 0.42.0

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Release Notes

igorshubovych/markdownlint-cli (markdownlint-cli)

v0.42.0

Compare Source

v0.41.0: 0.41.0

Compare Source

• Change TOML parser to smol-toml which supports v1.0.0 of the specification
• Update all dependencies via Dependabot

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