Log Message:
py-trove-classifiers: updated to 2023.7.6

2023.7.6

add Oceanography to Scientific/Engineering

This seemed to be the place to add a new one -- please let me know if there's \ 
another way to propose a new classifier.

Note: we could do something like:
Met/Ocean Science, but there is already Atmospheric Science, I figured \ 
Oceanography made sense.