Update database for 2.3

[bschouwerwou]

• Added new characters: Gorou and Itto
• Added new artifacts and domain: Slumbering Court
• Added new weapons: Cinnabar Spindle, Redhorn Stonethresher
• Adds support for showing leaked warning for weapons

[bschouwerwou]

Ah whoops, I forgot about prettier this time. I might look into adding a pre-commit hook for that so it doesn't get missed in the future.