Update dependency prettier to v3.9.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
prettier (source)	3.9.3 → 3.9.4

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Release Notes

prettier/prettier (prettier)

v3.9.4

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v3.9.3

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v3.9.2

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v3.9.1

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v3.9.0

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diff

🔗 Release Notes

v3.8.5

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v3.8.4

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diff

Markdown: Fix blank lines between list items and nested sub-lists being removed in Markdown/MDX (#​17746 by @​byplayer)

Prettier was removing blank lines between list items and their nested sub-lists, converting loose lists into tight lists and changing their semantic meaning.

<!-- Input -->
- a

  - b

- c

  - d

<!-- Prettier 3.8.3 -->
- a
  - b
- c
  - d

<!-- Prettier 3.8.4 -->
- a

  - b

- c

  - d

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

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The artifact failure details are included below:

File name: package-lock.json

npm warn Unknown env config "store". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.
npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: [email protected]
npm error Found: @babel/[email protected]
npm error node_modules/@babel/core
npm error   dev @babel/core@"8.0.1" from the root project
npm error
npm error Could not resolve dependency:
npm error peer @babel/core@"^7.0.0" from @rollup/[email protected]
npm error node_modules/@rollup/plugin-babel
npm error   dev @rollup/plugin-babel@"7.1.0" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry this command with --force or --legacy-peer-deps to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error /runner/cache/others/npm/_logs/2026-07-04T01_45_09_799Z-eresolve-report.txt
npm error A complete log of this run can be found in: /runner/cache/others/npm/_logs/2026-07-04T01_45_09_799Z-debug-0.log