ComfyUI on Google Colab not updating

I can't update ComfyUI (running on Google Colab) anymore.
The update is always aborted.
The error below is thrown on start up and updating via manager also doesn't work.

----------------------------

_-= Updating ComfyUI =

- Updating 1e5f0f6..d7897ff

error: Your local changes to the following files would be overwritten by merge: .ci/update_windows/update.py .ci/update_windows/update_comfyui.bat .ci/update_windows/update_comfyui_and_python_dependencies.bat .ci/update_windows_cu118/update_comfyui_and_python_dependencies.bat

Please commit your changes or stash them before you merge.

Aborting

----------------------------

I have tried deleting the files in question but that didn't change anything.