chore(main): release 3.9.1

[github-actions[bot]]

:robot: I have created a release beep boop

3.9.1 (2023-08-30)

Bug Fixes

• add notice to aid with mobile debugging (6002832)

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[github-actions[bot]]

:robot: Release is at https://github.com/javalent/fantasy-statblocks/releases/tag/3.9.1 :sunflower: