Prepare 3.5.0

[julien-nc]

Added

• Add support for together ai @kyteinsky #197

Changed

• Enable use_max_completion_tokens_param by default for OpenAI, disable by default for non-OpenAI @julien-nc #184
• Add admin setting to toggle authentication in the image retrieval request @julien-nc #186
• Add a warning in the admin settings if the assistant app is not installed @julien-nc #185
• Raise the default image size for compatibility @Rello #193
• Bump max NC version to 32

Fixed

• Prevent browser autocomplete for API key inputs and credentials @julien-nc #187
• Do not attempt to update local quota if chat/completion response does not have usage.total_tokens set @julien-nc #189
• Prevent error log flood when not configured @kyteinsky #199