Update change-case extension

[ridemountainpig]

Description

Added a preference to preserve punctuation when transforming text to Lower Case or Upper Case.
Close #19448
Close #19535

Screencast

Checklist

• I read the extension guidelines
• I read the documentation about publishing
• I ran npm run build and tested this distribution build in Raycast
• I checked that files in the assets folder are used by the extension itself
• I checked that assets used in the README are located outside the metadata folder if they were not generated with our metadata tool

[raycastbot]

Thank you for your contribution! 🎉

🔔 @erics118 @pernielsentikaer @nagauta @PWrzesinski @yug2005 you might want to have a look.

You can use this guide to learn how to check out the Pull Request locally in order to test it.

You can expect an initial review within five business days.

[pernielsentikaer]

Hi @ridemountainpig👋

Thanks for your contribution 🔥

@erics118 do you want to check this?