chore: Update CDK to commit 4386a351 with PR feedback fixes

Updated CDK dependency to latest commit that addresses PR feedback:
- Made fetch_one public (removed underscore prefix)
- Fixed extractor/selector logic to handle single-object responses
- Added test for single-object response pattern

This commit includes the fixes from airbytehq/airbyte-python-cdk#846

Co-Authored-By: AJ Steers <aj@airbyte.io>

Author: devin-ai-integration[bot]

poetry.lock

@@ -20,7 +20,7 @@ airbyte-api = "^0.53.0"
 # TODO: Temporary pin to CDK PR until merged. Replace with a released version:
 # https://github.com/airbytehq/airbyte-python-cdk/pull/846
 # airbyte-cdk = ">=7.3.9,<8.0.0"
-airbyte-cdk = { git = "https://github.com/airbytehq/airbyte-python-cdk.git", rev = "38d13d30af02cc4a47d771e9cbba85791c1ea7bf" }
+airbyte-cdk = { git = "https://github.com/airbytehq/airbyte-python-cdk.git", rev = "4386a351" }
 airbyte-protocol-models-pdv2 = "^0.13.0"
 click = "^8.1.7"
 cryptography = ">=44.0.0,<45.0.0"