[v1.12.2] Add DeepInfra support for Inference Providers

• [Inference Providers] Add DeepInfra support in https://github.com/huggingface/huggingface_hub/pull/4114 by @hanouticelina

Full Changelog: https://github.com/huggingface/huggingface_hub/compare/v1.12.1...v1.12.2