Install obs-studio from ppa

[cg2121]

Description

This installs OBS Studio from the OBS ppa. This is a temporary fix to prevent the CI from failing if a developer uses newer code then what the unofficial Ubuntu repo provides (27.2.3 on 22.04). This isn't ideal as it installs the entire program instead of just dev packages. In the future, we would provide a libobs-dev package on our ppa.

Motivation and Context

CI currently fails if developers use newer OBS apis.

How Has This Been Tested?

Ran CI with one of my plugins

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• [x] My code has been run through clang-format.
• [x] I have read the contributing document.
• [x] My code is not on the master branch.
• [x] The code has been tested.
• [x] All commit messages are properly formatted and commits squashed where appropriate.
• [x] I have included updates to all appropriate documentation.

[kkartaltepe]

Yea, seems good to default to our releases instead of ubuntu.