ci: temporarily remove source-amplitude from CDK connector tests (#643)

Author: aaronsteers

.github/workflows/connector-tests.yml

@@ -76,8 +76,10 @@ jobs:
             cdk_extra: file-based
           - connector: destination-motherduck
             cdk_extra: sql
-          - connector: source-amplitude
-            cdk_extra: n/a
+          # source-amplitude failing for unrelated issue "date too far back"
+          # e.g. https://github.com/airbytehq/airbyte-python-cdk/actions/runs/16053716569/job/45302638848?pr=639
+          # - connector: source-amplitude
+          #   cdk_extra: n/a
           - connector: source-intercom
             cdk_extra: n/a
           - connector: source-pokeapi