Target OBS 30.0.2

[sorayuki]

Description

Motivation and Context

Build towards the latest release of obs-studio.

How Has This Been Tested?

It works for my obs-multi-rtmp plugin.

Types of changes

Tweak (non-breaking change to improve existing functionality)

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.

[PatTheMav]

@RytoEX LGTM - do we want to merge this now or wait for a patch release of OBS Studio first?

[RytoEX]

@RytoEX LGTM - do we want to merge this now or wait for a patch release of OBS Studio first?

We can just merge this now and then quickly update it to 30.0.2 if needed.

[PatTheMav]

Please squash commits and use a properly formatted commit message - in this case I would suggest something along the lines of "buildspec: Update OBS Studio dependency to 30.0.2"