chore: release 1.48.1

[github-actions[bot]]

:robot: I have created a release *beep* *boop*

1.48.1 (2022-10-24)

Fixes

• Modal: Apply z-index on dialog wrapper (#892) (0637b54)

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[github-actions[bot]]

:robot: Release is at https://github.com/iTwin/iTwinUI-react/releases/tag/v1.48.1 :sunflower: