deprecate title prop and throw warning

[broccolinisoup]

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[github-actions[bot]]

size-limit report 📦

Path	Size
dist/browser.esm.js	104.54 KB (0%)
dist/browser.umd.js	105.09 KB (0%)

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[broccolinisoup]

closing in favour of https://github.com/primer/react/pull/4395