Update dependency markdownlint-cli to v0.26.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
markdownlint-cli	0.24.0 -> 0.26.0

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Release Notes

igorshubovych/markdownlint-cli

### [`v0.26.0`](https://togithub.com/igorshubovych/markdownlint-cli/releases/v0.26.0) [Compare Source](https://togithub.com/igorshubovych/markdownlint-cli/compare/v0.25.0...v0.26.0) - Update `markdownlint` dependency to 0.22.0 - Allow `extends` in config to reference installed packages by name - Add `markdownlint-disable-next-line` inline comment - Support JSON front matter - Improve `MD009`/`MD026`/`MD028`/`MD043` - Update dependencies (including `markdown-it` to v12). - Update all dependencies via `Dependabot` ### [`v0.25.0`](https://togithub.com/igorshubovych/markdownlint-cli/releases/v0.25.0) [Compare Source](https://togithub.com/igorshubovych/markdownlint-cli/compare/v0.24.0...v0.25.0) - Update `markdownlint` dependency to 0.21.1 - Improve `MD011`/`MD031` - Update all dependencies via `Dependabot`

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