feat: add new flag for astro check

[Princesseuh]

Description (required)

Docs for withastro/astro#11482, just a small new flag to disable the implicit astro sync

[netlify]

✅ Deploy Preview for astro-docs-2 ready!

Name	Link
🔨 Latest commit	b8866d2
🔍 Latest deploy log	https://app.netlify.com/sites/astro-docs-2/deploys/6698eb5174d8a2000893d1df
😎 Deploy Preview	https://deploy-preview-8838--astro-docs-2.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[astrobot-houston]

Lunaria Status Overview

🌕 This pull request will trigger status changes.

Learn more

By default, every PR changing files present in the Lunaria configuration's files property will be considered and trigger status changes accordingly.

You can change this by adding one of the keywords present in the ignoreKeywords property in your Lunaria configuration file in the PR's title (ignoring all files) or by including a tracker directive in the merged commit's description.

Tracked Files

Locale	File	Note
en	reference/cli-reference.mdx	Source changed, localizations will be marked as outdated.

Warnings reference

Icon	Description
🔄️	The source for this localization has been updated since the creation of this pull request, make sure all changes in the source have been applied.

[sarah11918]

Looks great! I'll just make it match the form of the other "not" flag above it! 🙌

[sarah11918]

Ready for 4.12!