What's Changed
* adds python 3.9 req for optional packages by mekhlakapoor in https://github.com/AllenNeuralDynamics/aind-metadata-mapper/pull/119
* Adds BaseJobSettings by mekhlakapoor in https://github.com/AllenNeuralDynamics/aind-metadata-mapper/pull/118
* fix: adds lower bounds on packages in pyproject.toml by jtyoung84 in https://github.com/AllenNeuralDynamics/aind-metadata-mapper/pull/125
**Full Changelog**: https://github.com/AllenNeuralDynamics/aind-metadata-mapper/compare/v0.15.0...v0.16.1