Copy changes from RR 6.26.2 and Remix 2.12.0 to dev

[brophdawg11]

RR: https://github.com/remix-run/react-router/compare/[email protected]@6.26.2
Remix: https://github.com/remix-run/remix/compare/[email protected]@2.12.0

[changeset-bot]

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