fix: make it possible to override font-family in style prop

[delanebob]

This is a fix to allow styles to override the default fontFamily by passing it into the style prop.

This should fix the issue I opened https://github.com/tannerlinsley/react-charts/issues/248

[vercel[bot]]

Someone is attempting to deploy a commit to a Personal Account owned by @tannerlinsley on Vercel.

@tannerlinsley first needs to authorize it.

[vercel[bot]]

This pull request is being automatically deployed with Vercel (learn more).
To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/tannerlinsley/react-charts/47D5CCHkZLMR5ApxJAo2PxwxnxmC
✅ Preview: https://react-charts-git-fork-delanebob-fix-custom-fa6ecd-tannerlinsley.vercel.app

[tannerlinsley]

:tada: This PR is included in version 3.0.0-beta.33 :tada:

The release is available on:

• npm package (@beta dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: