Python SDK v2.6.0

What's Changed

• feat(MCP Integrations): Add docs for individual app in MCP Integrations by @udaykakade25 in #511
• add readonly field by @zihaolin96 in #512
• set up auth sync openapi for sdk by @zihaolin96 in #514
• update llm.txt by @zihaolin96 in #515
• update openapi sync workflow by @zihaolin96 in #516
• Update salesforce doc. by @xiangkaiz in #517
• fix. by @xiangkaiz in #518

Full Changelog: python-v2.5.0...python-v2.6.0