[Feature]: Ability to rename root span names

[areibman]

💡 Feature Description and Proposed Solution

User was frustrated that everything is called "Session". Give a way in the SDK to rename the root span name

🤔 Related Problem

No response

🤝 Contribution

• Yes, I'd be happy to submit a pull request with these changes.
• I need some guidance on how to contribute.
• I'd prefer the AgentOps team to handle this update.

[Dwij1704]

Closed by #999