Change John's ORCID

[howardbaek]

In response to CRAN's email:

Your DESCRIPTION file has an Authors@R field giving persons with
duplicated ORCID iDs:

************************************************************************
[1] "0009-0000-8942-1618"
************************************************************************

Please correct before 2024-06-30 to safely retain your package on CRAN.

[howardbaek]

Thanks for approving. I'll have to fix these check failures before merging in the changes.