Changed underlying openai/client package version from 0.7.5 to 0.7.8 containing the following updates:

What's New

• Add support for GTP-4 vision on the chat completion endpoint by @gehrisandro in https://github.com/openai-php/client/pull/241
• Add support for tool calls on the chat completion endpoint by @gehrisandro in https://github.com/openai-php/client/pull/239
• Add support for the audio speech endpoint by @gehrisandro in https://github.com/openai-php/client/pull/237

Full Changelog: https://github.com/openai-php/laravel/compare/v0.7.5...v0.7.8