🐛 Source Mailchimp: fix date-time format issue for start_date for email_activity stream (#37572)

Author: bazarnov

airbyte-integrations/connectors/source-mailchimp/metadata.yaml

@@ -11,7 +11,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: b03a9f3e-22a5-11eb-adc1-0242ac120002
-  dockerImageTag: 2.0.1
+  dockerImageTag: 2.0.2
   dockerRepository: airbyte/source-mailchimp
   documentationUrl: https://docs.airbyte.com/integrations/sources/mailchimp
   githubIssueLabel: source-mailchimp