chore(deps): update Babel deps to latest

[MichaelDeBoey]

While we're at it, this also gets rid of a few install warnings

 WARN  deprecated @babel/[email protected]: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-export-namespace-from instead.
 WARN  deprecated @babel/[email protected]: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-optional-chaining instead.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 70afce9

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.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

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

[timdorr]

I'm not sure why, but it appears the @types/babel__generator upgrade busted something with the types between it and the core package.