feat(litellm): add package

[jaudiger]

Add a new Brioche recipe

Summary

This Pull Request adds a new recipe to the registry.

• Recipe name: litellm
• Website / repository: https://github.com/BerriAI/litellm
• Repology URL: https://repology.org/project/litellm/versions
• Short description: Open-source AI gateway and Python SDK providing a unified interface to many LLM providers.

Related issue(s) or discussion(s)

None.

Checklist (required)

• liveUpdate() method added.
• test() method added.

How I tested this locally (required)

1. Run the test scenario:

Test output (click to expand)

Preparing process (std/core/recipes/process.bri:240:14)
Prepared process 810845 in 18.83s
Launched process 810845 (std/core/recipes/process.bri:240:14)
[810845] 18:15:12 - LiteLLM:WARNING: get_model_cost_map.py:290 - LiteLLM: Failed to fetch remote model cost map from https://raw.githubusercontent.com/BerriAI/litellm/main/model_prices_and_context_window.json: [Errno -3] Temporary failure in name resolution. Falling back to local backup.
[810845] 
[810845] LiteLLM: Current Version = 1.95.0
Process 810845 ran in 6.02s
Build finished, completed 1 job in 28.01s
Result: 61bacb72f102b28669188296c31e17df6ac8a1667cd68dee61e1c1820a55717d

2. Run the live-update scenario:

Live-update output (click to expand)

Preparing process (std/runtime_utils.bri:49:6)
Launched process 810829 (std/runtime_utils.bri:49:6)
Process 810829 ran in 0.02s
Build finished, completed 1 job in 3.32s
Running brioche-run
{
  "name": "litellm",
  "version": "1.95.0",
  "repository": "https://github.com/BerriAI/litellm"
}

Implementation notes / special instructions

None.