spawn ffmpeg error when adding any camera
**Describe the bug**
Any camera added results in:

[2/17/2023, 12:37:22 PM] [CameraUI] Gate: Setting up camera, please be patient...
[2/17/2023, 12:37:22 PM] [CameraUI] Gate: Probe stream: ffmpeg -analyzeduration 0 -probesize 5000 -i rtsp://admin:password@192.xxx.yyy.zzz/Streaming/Channels/101?transportmode=unicast&profile=Profile_1
[2/17/2023, 12:37:22 PM] Error: spawn ffmpeg ENOENT
    at Process.ChildProcess._handle.onexit (node:internal/child_process:282:19)
    at onErrorNT (node:internal/child_process:477:16)
    at processTicksAndRejections (node:internal/process/task_queues:83:21)

**To Reproduce**
Add a camera to camera.ui. ffmpeg-for-homebridge is under homebridge-camera-ui\node_modules.

**Expected behavior**
Camera to work

**Logs**
See above

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Environment**
- Node.js Version: v18.14.1
- Homebridge Version: v1.6.0
- Camera UI Version: v5.0.27
- Operating System: Windows 10
- Browser: Edge or Chrome
