Migrate to JupyterLab3 #1
Description
We should upgrade the user image to use JupyterLab3.
- Original issue ➡️ Upgrade to JupyterLab 3.0 utoronto-2i2c/jupyterhub-deploy#81
- Existing PR addressing this in the old utoronto deployment repository ➡️ Upgrade to JupyterLab 3.0 utoronto-2i2c/jupyterhub-deploy#98
- Freshdesk ticket request ➡️ https://2i2c.freshdesk.com/a/tickets/57