v3.6.0

InfrastructureSystems v3.6.0

Diff since v3.5.1

Merged pull requests:

• drop json3 (#571) (@jd-lara)
• doc string fix (#578) (@m-bossart)
• add new serialization and test (#580) (@jd-lara)
• Change get_available default to throw NotImplementedError (#581) (@Copilot)

Closed issues:

• Downstream effects of get_available default (#579)