Bump fluent-ffmpeg from 68d5c94 to 7a701f5

Bumps [fluent-ffmpeg](https://github.com/fluent-ffmpeg/node-fluent-ffmpeg) from `68d5c94` to `7a701f5`.
- [Commits](fluent-ffmpeg/node-fluent-ffmpeg@68d5c94...7a701f5)

---
updated-dependencies:
- dependency-name: fluent-ffmpeg
  dependency-version: 7a701f560f6cd0f152cdef22c8a03132c56afc7b
  dependency-type: direct:production
...

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Author: dependabot[bot]