33across: adapter maintenance

[carlosfelix]

🔧 Type of changes

• new bid adapter
• bid adapter update
• new feature
• new analytics adapter
• new module
• module update
• bugfix
• documentation
• configuration
• dependency update
• tech debt (test coverage, refactorings, etc.)

✨ What's the context?

Bring this adapter up-to-date with recent changes that have been done in the PBS Go Adapter and PBJS Adapter.

• Remove default values for the deprecated attribute video.placement
• Add missing GPP and GPP_SID params to the user sync request
• Allow config option "zoneId" to be used as a replacement for siteId.

🧠 Rationale behind the change

Adapter needed an update and it's not reflecting important data that we need such as GPP parameters.

🧪 Test plan

How do you know the changes are safe to ship to production?
Specs coverage and QA applied.

🏎 Quality check

• Are your changes following our code style guidelines? yes
• Are there any breaking changes in your code?
• Does your test coverage exceed 90%?
• Are there any erroneous console logs, debuggers or leftover code in your changes?