pin zendesk-support 2.3.0 in cloud (#37446)

Author: erohmensing

airbyte-integrations/connectors/source-zendesk-support/metadata.yaml

@@ -26,6 +26,7 @@ data:
   registries:
     cloud:
       enabled: true
+      dockerImageTag: 2.3.0  # See https://github.com/airbytehq/oncall/issues/5078
     oss:
       enabled: true
   releaseStage: generally_available