Bump OpenTimelineIO from 4440afa to f0aac2b

Bumps [OpenTimelineIO](https://github.com/PixarAnimationStudios/OpenTimelineIO) from `4440afa` to `f0aac2b`.
- [Release notes](https://github.com/PixarAnimationStudios/OpenTimelineIO/releases)
- [Commits](AcademySoftwareFoundation/OpenTimelineIO@4440afa...f0aac2b)

---
updated-dependencies:
- dependency-name: OpenTimelineIO
  dependency-version: f0aac2be176b22e17740e5c10ec740d769b8c153
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]