Add the new Organization API

[sashirestela]

See more details: https://platform.openai.com/docs/api-reference/administration

• Invites
• Users
• Projects
• Project Users
• Project Service Accounts
• Project API Keys
• Project Rate Limits
• Audit Logs

[sashirestela]

Launched Admin API Key Rotations, enabling customers to programmatically rotate their admin api keys.

Updated Admin API Invites, enabling customers to programmatically invite users to projects at the same time they are invited to organizations.