chore(main): release 3.8.1

[github-actions[bot]]

:robot: I have created a release beep boop

3.8.1 (2023-08-13)

Bug Fixes

• fixes removing traits not working unless key is present (1f3c8c1)
• fixes table css class interference (close #230) (a93264c)

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[github-actions[bot]]

:robot: Release is at https://github.com/javalent/fantasy-statblocks/releases/tag/3.8.1 :sunflower: