chore: update dependency markdownlint-cli to ^0.40.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
markdownlint-cli	^0.39.0 -> ^0.40.0

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Release Notes

igorshubovych/markdownlint-cli (markdownlint-cli)

### [`v0.40.0`](https://togithub.com/igorshubovych/markdownlint-cli/releases/tag/v0.40.0): 0.40.0 [Compare Source](https://togithub.com/igorshubovych/markdownlint-cli/compare/v0.39.0...v0.40.0) - Update `markdownlint` dependency to `0.34.0` - Use micromark in `MD027`/`MD028`/`MD036`/`MD040`/`MD041`/`MD046`/`MD048` - Improve `MD013`/`MD034`/`MD049`/`MD050`/`MD051` - Add support for `TOML` configuration files via `--config` - Add `--configPointer` argument for nested configuration - Update `--ignore` for directories to ignore all files within - Update all dependencies via `Dependabot`

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Configuration

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