Complete o3 model support

[krrishdholakia]

Title

• fix(o_series_transformation.py): add 'reasoning_effort' as o series model param
• fix(main.py): ensure reasoning_effort is a mapped openai param
• refactor(azure/): rename o1_[x] files to o_series_[x]
• refactor(base_llm_unit_tests.py): refactor testing for o series reasoning effort
• test(test_azure_o_series.py): have azure o series tests correctly inherit from base o series model tests
• feat(base_utils.py): support translating 'developer' role to 'system' role for non-openai providers

Relevant issues

Closes #8182
Handle developer role for non-openai models

Type

🆕 New Feature
🐛 Bug Fix
🧹 Refactoring
📖 Documentation
✅ Test

Changes

[REQUIRED] Testing - Attach a screenshot of any new tests passing locally

If UI changes, send a screenshot/GIF of working UI fixes

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Name	Status	Preview	Comments	Updated (UTC)
litellm	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 3, 2025 6:21am