run prettier on bot changeset suggestion

[ianstormtaylor]

I think Changesets normally runs Prettier when adding new changeset files. But the little link to click from the bot's comment to create a new changeset file doesn't. So if the file doesn't conform to the project's Prettier config then it will fail (eg. if needing single quotes) and render the PR invalid.

[nooblyf]

i'm also facing this, is there any fix for this?