chore: 🐝 Update SDK - Generate Message SDK

[github-actions]

SDK update

Based on:

• OpenAPI Doc 1.0.0 https://docs.api.epilot.io/message.yaml
• Speakeasy CLI 1.299.4 (2.338.7) https://github.com/speakeasy-api/speakeasy

PYTHON CHANGELOG

additionalProperties: 0.1.0 - 2023-10-16

🐝 New Features

• add support for additionalProperties (commit by @2ynn)

globalServerURLs: 2.82.2 - 2024-03-06

🔧 Chores

• expand server selection test coverage (commit by @2ynn)

core: 4.6.8 - 2024-05-21

🐛 Bug Fixes

• namespace bug usage snippet generation (commit by @ryan-timothy-albert)

responseFormat: 0.1.0 - 2024-03-02

🐝 New Features

• add support for response formats and flat responses (commit by @TristanSpeakeasy)

constsAndDefaults: 0.1.3 - 2024-03-01

🐛 Bug Fixes

• null enums are coerced into null consts (commit by @disintegrator)

globalSecurity: 2.83.5 - 2024-03-15

🐛 Bug Fixes

• fixed hoisting of operation security (commit by @tristanspeakeasy)