Fix changesets destroying our Astro codeblocks in changelogs

[Princesseuh]

Changes

Changesets was mysteriously destroying every Astro code block inside CHANGELOG.md. This happen because changesets Prettier version is very old and our plugin is not compatible. As such, this PR disable the plugin inside CHANGELOG.md

While I was there, I fixed some non-astro code blocks that had been weirdly formatted from back when we didn't have astro codeblocks

Testing

Tested manually

Docs

N/A

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: 0cff5f0668b9a4d821658b4c71bfb58644901381

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[Princesseuh]

Might not be needed in the future, changesets is fixing this issue https://github.com/changesets/changesets/pull/905