fix(remix-dev/cli/migrate): process named exports in `convert-to-javascript` migration

[MichaelDeBoey]

Follow-up of #4030

---

This will fail on Windows because of https://github.com/facebook/jscodeshift/issues/520, https://github.com/benjamn/recast/issues/1170 & https://github.com/benjamn/ast-types/issues/814

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: eec218ecfa57c457d6e4cbca9049a98149d04529

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 18 packages

Name	Type
@remix-run/dev	Patch
create-remix	Patch
@remix-run/css-bundle	Patch
remix	Patch
@remix-run/architect	Patch
@remix-run/cloudflare	Patch
@remix-run/cloudflare-pages	Patch
@remix-run/cloudflare-workers	Patch
@remix-run/deno	Patch
@remix-run/eslint-config	Patch
@remix-run/express	Patch
@remix-run/netlify	Patch
@remix-run/node	Patch
@remix-run/react	Patch
@remix-run/serve	Patch
@remix-run/server-runtime	Patch
@remix-run/testing	Patch
@remix-run/vercel	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[pcattori]

Superceded by #5163