Release notes for sbmlutils 0.9.0

We are pleased to release the next version of sbmlutils including the
following changes:

Features

• bump pymetadata>=0.4.0 to switch to OLS4
• python 3.12 support (dropping python 3.9)
• pydantic fixes
• bugfixes
• updated sbml4humans
• libsbml-4.20.4
• improved ODE generation

Your sbmlutils team