* fix(vertex_ai): Fixes issue where multimodal message without text was failing vertex calls
Fixes https://github.com/BerriAI/litellm/issues/5515
* fix(azure.py): move to using httphandler for oidc token calls
Fixes issue where ssl certificates weren't being picked up as expected
Closes https://github.com/BerriAI/litellm/issues/5522
* feat: Allows admin to set a default_max_internal_user_budget in config, and allow setting more specific values as env vars
* fix(proxy_server.py): fix read for max_internal_user_budget
* build(model_prices_and_context_window.json): add regional gpt-4o-2024-08-06 pricing
Closes https://github.com/BerriAI/litellm/issues/5540
* test: skip re-test
