Update dependency @astrojs/mdx to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@astrojs/mdx (source)	4.3.13 → 5.0.0

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Release Notes

withastro/astro (@​astrojs/mdx)

v5.0.0

Compare Source

Major Changes

• #​14494 727b0a2 Thanks @​florian-lefebvre! - Updates Markdown heading ID generation - (v6 upgrade guidance)

• #​14427 e131261 Thanks @​florian-lefebvre! - Increases minimum Node.js version to 22.12.0 - (v6 upgrade guidance)

• #​14445 ecb0b98 Thanks @​florian-lefebvre! - Astro v6.0 upgrades to Vite v7.0 as the development server and production bundler - (v6 upgrade guidance)

Patch Changes

• #​15187 bbb5811 Thanks @​matthewp! - Update to Astro 6 beta

• #​15475 36fc0e0 Thanks @​delucis! - Fixes edge cases where an export const components = {...} declaration would fail to be detected with the optimize option enabled

• #​15264 11efb05 Thanks @​florian-lefebvre! - Lower the Node version requirement to allow running on Stackblitz until it supports v22

• Updated dependencies [bbb5811, cb99214, 80f0225, 727b0a2, 1fa4177, 7c55f80, 6f19ecc, f94d3c5]:

  • @​astrojs/markdown-remark@​7.0.0

v4.3.14

Compare Source

Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.3.11

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Configuration

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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.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

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.
npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: wh-blog@1.0.0
npm error Found: astro@5.16.11
npm error node_modules/astro
npm error   astro@"5.16.11" from the root project
npm error
npm error Could not resolve dependency:
npm error peer astro@"^6.0.0-alpha.0" from @astrojs/mdx@5.0.0
npm error node_modules/@astrojs/mdx
npm error   @astrojs/mdx@"5.0.0" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry
npm error this command with --force or --legacy-peer-deps
npm error 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/2026-03-14T18_14_21_264Z-eresolve-report.txt
npm error A complete log of this run can be found in: /runner/cache/others/npm/_logs/2026-03-14T18_14_21_264Z-debug-0.log