style: format the repository with prettier

These files were already out of step with the project's Prettier config
before this branch of work; running `pnpm format` finally swept them up.
No semantic changes.

Kept separate from the functional commits so the reformatting does not
bury them in diff noise.

THIRD_PARTY_NOTICES.md

@@ -5,7 +5,7 @@ This project incorporates the following third-party open source software.
 ## Direct Dependencies
 
 | Package           | License |
-|-------------------|---------|
+| ----------------- | ------- |
 | @rspress/core     | MIT     |
 | react             | MIT     |
 | react-dom         | MIT     |