Update DeepInfra models

[nullstreak]

trafficstars

mistralai/Mixtral-8x22B-Instruct-v0.1 - now works with OpenAI async generator Also added LLama 3 models

[hlohaus]

Instead of:

        if not '/' in model:
            models = {
                'dbrx-instruct': 'databricks/dbrx-instruct',
            }
            model = models.get(model, model)

you could use model_aliases in DeepInfra. Thank you

[hlohaus]

Please resolve conflicts. Thank you

[github-actions[bot]]

Bumping this pull request because it has been open for 7 days with no activity. Closing automatically in 7 days unless it becomes active again.