docs(openapi): add openapi for search, updated_since, version params

[frenchi]

Updating openapi.yaml to be in sync with latest changes. Funcitonality for search param introduced back in #374

Motivation and Context

How Has This Been Tested?

N/A

Breaking Changes

N/A

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

[rdimitrov]

Thanks for the PR, @frenchi! 🚀 I've noticed one small thing regarding the way we handle versions, otherwise it looks good 👍

[rdimitrov]

🚀 🚀 🚀