Update Dockerfile

[Poseidon281]

There was a mistake made here. This is the 3.12 dockerfile but you are using python 3.7. This should fix that

Description

All Submissions:

• [x] Have you ensured there aren't other open Pull Requests for the same update or change?
• [ ] Have you created a new branch for your changes and PR from that branch and not from your master branch?

New Image Submissions:

1. [ ] Have you added your image to the Github workflows?
2. [ ] Have you updated the README list to contain your new image?

[QuintenQVD0]

yes indeed thank you!