v5.5.0

⭐️ Enhancements

• Move to Annotated for mapping hera to models. Add from/to functions (#673) @elliotgunton
• Add CronWorkflow.update, add unit tests (#681) @iameskild
• WorkflowTemplate/ClusterWorkflowTemplate create_as_workflow (#669) @elliotgunton
• Add an auth module that can help users generate tokens (#655) @flaviuvadan

🐞 Bug Fixes

• [#687] Adjust image pull policy guessing engine (#689) @flaviuvadan
• Set status=None if any status field is None (#686) @iameskild
• Minor fix to CronWorkflow update (#685) @iameskild

📔 Documentation

• Add Examples header section and minor doc fixes (#684) @elliotgunton
• Update workflow.py (#683) @mefuller
• Fix link to Argo's Parameter field ref (#678) @elliotgunton