Rebase GPU-image, update code-server, fix gitlab-workflow
- This simplifies the GPU Dockerfile handling a lot by using
tensorflow[and-cuda]
. - This fixes GPU support on RTX 3080 with nvidia-driver 525. The CUDA version from PyPI works in contrast to the official NVIDIA CUDA base image with CUDA 12.2.
- code-server is updated to 4.23.1
- the file path for the gitlab-workflow default URL is fixed