Port PR from PBS-Go: Zeta Global SSP: Add sid parameter and audio support

[cross-repo-issue-creation]

A PR was merged over on PBS-Go

• Zeta Global SSP: Add sid parameter and audio support prebid-server#3939
• timestamp: 2025-03-10T16:51:26Z

[przemkaczmarek]

@AntoxaAntoxic Zeta Global SSP in Java it's prat of generic adapter. How should I best approach these changes?

[AntoxaAntoxic]

@przemkaczmarek Looks like Zeta Global SSP is not a generic bidder anymore, please add it as a new separate one