Update react monorepo to v19.2.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Confidence
@types/react (source)	19.2.2 -> 19.2.6
@types/react-dom (source)	19.2.2 -> 19.2.3

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Configuration

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🚦 Automerge: Enabled.

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