feat: audio speech function add param volume and speed

[iceAndFireisFailed]

Description

Checklist

• Follow the CONTRIBUTING Guide.
• Make your Pull Request title in the https://www.conventionalcommits.org/ specification.
• Ensure the tests pass (Run mvn clean test from the repository root)
• Appropriate docs were updated (if necessary)

Fixes #<issue_number>

Add or Update API

• I have added the necessary test case and all cases have passed.

[tomsun28]

hi, run mvn spring-javaformat:apply to fix the code format error.