ci: bump ffmpeg from 2e68ac6 to 60037d6 (#12)

Bumps ffmpeg from `2e68ac6` to `60037d6`.

---
updated-dependencies:
- dependency-name: ffmpeg
  dependency-type: direct:production
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>