fix: openrouter 70b don't support 128000, changed to 405b in model.ts

[denizekiz]

Relates to:

Openrouter 70b model token limit is lower than what we want to send, which end up throwing errors from API. Lowering token limit makes outputs less quality, instead we upgraded small model to 405b in model.ts

Risks

low

What does this PR do?

Upgraded openrouter small model to 405b

What kind of change is this?

bug fix

Documentation changes needed?

Testing

set Modelprovider to openrouter in character.json pnpm start