source-snapchat-marketing: adopt our base image (airbytehq#35170)

Author: alafanechere

airbyte-integrations/connectors/source-snapchat-marketing/.dockerignore

@@ -3,10 +3,12 @@ data:
     hosts:
       - accounts.snapchat.com
       - adsapi.snapchat.com
+  connectorBuildOptions:
+    baseImage: docker.io/airbyte/python-connector-base:1.2.0@sha256:c22a9d97464b69d6ef01898edf3f8612dc11614f05a84984451dde195f337db9
   connectorSubtype: api
   connectorType: source
   definitionId: 200330b2-ea62-4d11-ac6d-cfe3e3f8ab2b
-  dockerImageTag: 0.3.0
+  dockerImageTag: 0.3.1
   dockerRepository: airbyte/source-snapchat-marketing
   githubIssueLabel: source-snapchat-marketing
   icon: snapchat.svg