If you have the desire to solve it yourself, you can probably do it by programming with AutoHotKey.
The idea would be to run a AHK script
The script would pull out the Scene names in OBS Studio's scene listbox and keep it in its own string array along with index position (0-n-1).
The script would monitor the play button state on VLC player.
When it is in the pressed state, do nothing.
When there is a state transition from pressed to non-pressed state, go to the next index position. If at the end of the list, cycle back to 0.
With the new index position, trigger the select state of the next item in OBS Studio's Scene's listbox that correlates with it
Should be a fun, challenging exercise. If you don't understand any of this or are not a programmer type, you'll need to hire someone if its that important to you.