Update config snapshots

config/sync/config_snapshot.snapshot.config_sync.module.mailchimp.yml

@@ -13,8 +13,14 @@ items:
     collection: ''
     name: mailchimp.settings
     data:
-      api_key: ''
+      api_key: null
+      api_timeout: 10
+      domain: ''
+      use_oauth: false
       cron: false
       batch_limit: 100
       api_classname: Mailchimp\Mailchimp
       test_mode: false
+      optin_check_email_msg: 'Please check your email to confirm your subscription.'
+      _core:
+        default_config_hash: B-qrrA7oRcyy2W-a4OjHSgOhpMNFBK4dP9yb2KHC6v4