py312-jupyter: problem setting as default

[pmetzger (Perry E. Metzger)]

When I try to set py312-jupyter as the default, I get the following unpleasant result:

--->  Some of the ports you installed have notes:
  py312-jupyter has the following notes:
    To make the Python 3.12 version of jupyter the one that is run when you
    execute the commands without a version suffix, e.g. 'jupyter-notebook', run:
    
    port select --set jupyter py312-jupyter
root@jabberwock:~# port select --set jupyter py312-jupyter
Selecting 'py312-jupyter' for 'jupyter' failed: could not create new link "/opt/local/bin/jupyter-bundlerextension": target "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/bin/jupyter-bundlerextension" doesn't exist