Unable to build website on Windows

Within `website` I can `yarn start` on Linux on Node 17 and 18, but on Node 18 Windows I get the following error:

```
~/Projects/KaTeX/website ⟫ yarn start
(node:49280) ExperimentalWarning: Custom ESM Loaders is an experimental feature. This feature could change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
(node:53936) ExperimentalWarning: Custom ESM Loaders is an experimental feature. This feature could change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
Browserslist: caniuse-lite is outdated. Please run:
npx browserslist@latest --update-db

Why you should do it regularly:
https://github.com/browserslist/browserslist#browsers-data-updating
C:\Users\edemaine\Projects\KaTeX\website\.yarn\cache\@babel-core-npm-7.13.10-57ebf35dd5-9b3362fd02.zip\node_modules\@babel\core\lib\transformation\normalize-file.js:132
t().traverseFast(ast, node => {
^

TypeError: t(...).traverseFast is not a function
at extractComments (C:\Users\edemaine\Projects\KaTeX\website\.yarn\cache\@babel-core-npm-7.13.10-57ebf35dd5-9b3362fd02.zip\node_modules\@babel\core\lib\transformation\normalize-file.js:132:7)
at normalizeFile (C:\Users\edemaine\Projects\KaTeX\website\.yarn\cache\@babel-core-npm-7.13.10-57ebf35dd5-9b3362fd02.zip\node_modules\@babel\core\lib\transformation\normalize-file.js:70:27)
at normalizeFile.next ()
at run (C:\Users\edemaine\Projects\KaTeX\website\.yarn\cache\@babel-core-npm-7.13.10-57ebf35dd5-9b3362fd02.zip\node_modules\@babel\core\lib\transformation\index.js:31:50)
at run.next ()
at Function.transform (C:\Users\edemaine\Projects\KaTeX\website\.yarn\cache\@babel-core-npm-7.13.10-57ebf35dd5-9b3362fd02.zip\node_modules\@babel\core\lib\transform.js:19:41)
at transform.next ()
at evaluateSync (C:\Users\edemaine\Projects\KaTeX\website\.yarn\cache\gensync-npm-1.0.0-beta.2-224666d72f-a7437e58c6.zip\node_modules\gensync\index.js:251:28)
at Function.sync (C:\Users\edemaine\Projects\KaTeX\website\.yarn\cache\gensync-npm-1.0.0-beta.2-224666d72f-a7437e58c6.zip\node_modules\gensync\index.js:89:14)
at Object.transform (C:\Users\edemaine\Projects\KaTeX\website\.yarn\cache\@babel-core-npm-7.13.10-57ebf35dd5-9b3362fd02.zip\node_modules\@babel\core\lib\transform.js:28:54)

Node.js v18.0.0 / v18.3.0
```