Upgrade litellm to v1.66.3

[PeterDaveHello]

User description

Not sure it's v1.66.3.dev1 or v1.66.3-nightly, but should be good enough to support the latest o4-mini(tested locally).

Reference:

• https://pypi.org/project/litellm/1.66.3/
• https://github.com/BerriAI/litellm/releases/tag/v1.66.3.dev1
• https://github.com/BerriAI/litellm/releases/tag/v1.66.3-nightly

---

PR Type

enhancement, dependencies

---

Description

• Upgraded litellm dependency to version 1.66.3.

• Ensures compatibility with the latest o4-mini.

• Aligns with the latest stable or nightly release of litellm.

---

Changes walkthrough 📝

	Relevant files
Dependencies	requirements.txt Update `litellm` version in dependencies                                  requirements.txt Updated litellm version from 1.66.1 to 1.66.3. Ensures compatibility with the latest features and fixes. +1/-1

---

Need help?

Type /help how to ... in the comments thread for any questions about Qodo Merge usage.

Check out the documentation for more information.

[qodo-merge-pro-for-open-source]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected

[qodo-merge-pro-for-open-source]

PR Code Suggestions ✨

No code suggestions found for the PR.

[PeterDaveHello]

cc @mrT23