Update Firefox Addon

[egrac]

The current Firefox add-on is not updated, which disallows the use of GPT-3.5-Turbo or GPT-4 Models.

https://addons.mozilla.org/en-US/firefox/addon/gpt-prompter/
Last updated: 5 months ago (Jan 23, 2023)

[fishnux]

@giosilvi any chance you could push an update to the Firefox add-on? Thanks in advance 🙂

[mjund]

@giosilvi any chance you could push an update to the Firefox add-on? Thanks in advance 🙂