chore(deps): update rollup-plugin-babel to v4.4.0

[thi-bot]

This PR contains the following updates:

Package	Update	Type	Change	Sourcegraph
rollup-plugin-babel	minor	devDependencies	4.3.3 -> 4.4.0

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Release Notes

rollup/rollup-plugin-babel

### [`v4.4.0`](https://togithub.com/rollup/rollup-plugin-babel/compare/v4.3.3...v4.4.0) [Compare Source](https://togithub.com/rollup/rollup-plugin-babel/compare/v4.3.3...v4.4.0)

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