Changes to Create Email automation

added the optional property data/metrics to the response with the 201 status

added the new optional request property crm_group_id

added the new crm_group enum value to the request property selection_mode

the data/automation_type response's property type changed from string to no type for status 201

added subschema #1 subschema #2 to the data/automation_type response property anyOf list for the response status 201

added the new optional request property crm_stage

added the new crm_stage enum value to the request property selection_mode

added the new optional request property email_sent_per_day

added the optional property data/config/sample_approval to the response with the 201 status

added the optional property data/config/sample_request_config to the response with the 201 status