Update module.json to latest stable foundry version

[Penthious]

Solves https://github.com/Larkinabout/fvtt-custom-dnd5e/issues/76

• Forked the repo
• ran the github actions for releasing
• pulled in the module on foundry to validate it works.

[Larkinabout]

Just need to check what's changed with 12.328 as Custom D&D 5e reproduces some core Foundry code.