🐛 Source Stripe: Add missing field (cancel_at) to the Subscriptions stream

[mrhallak]

What

The change solves this issue where the cancel_at field is not showing on the UI nor the final table.

How

I added the field to the configured catalog and schema.

Recommended reading order

1. Schemas
2. Configured catalog
3. Docs

🚨 User Impact 🚨

No breaking changes

Pre-merge Checklist

Updating a connector

Community member or Airbyter

• Grant edit access to maintainers (instructions)
• Secrets in the connector's spec are annotated with airbyte_secret
• Unit & integration tests added and passing. Community members, please provide proof of success locally e.g: screenshot or copy-paste unit, integration, and acceptance test output. To run acceptance tests for a Python connector, follow instructions in the README. For java connectors run ./gradlew :airbyte-integrations:connectors:<name>:integrationTest.
• Code reviews completed
• Documentation updated
  • Connector's README.md
  • Connector's bootstrap.md. See description and examples
  • Changelog updated in docs/integrations/<source or destination>/<name>.md including changelog. See changelog example
• PR name follows PR naming conventions

Airbyter

If this is a community PR, the Airbyte engineer reviewing this PR is responsible for the below items.

• Create a non-forked branch based on this PR and test the below items on it
• Build is successful
• If new credentials are required for use in CI, add them to GSM. Instructions.
• /test connector=connectors/<name> command is passing
• New Connector version released on Dockerhub and connector version bumped by running the /publish command described here

[natalyjazzviolin]

/test connector=connectors/source-stripe

🕑 connectors/source-stripe https://github.com/airbytehq/airbyte/actions/runs/4266031507
✅ connectors/source-stripe https://github.com/airbytehq/airbyte/actions/runs/4266031507
Python tests coverage:

Name                                     Stmts   Miss  Cover
------------------------------------------------------------
source_stripe/source.py                     22      0   100%
source_stripe/__init__.py                    2      0   100%
source_stripe/streams.py                   311     27    91%
source_stripe/availability_strategy.py      19      2    89%
------------------------------------------------------------
TOTAL                                      354     29    92%

Build Passed

Test summary info:

=========================== short test summary info ============================
SKIPPED [1] ../usr/local/lib/python3.9/site-packages/connector_acceptance_test/tests/test_core.py:98: The previous and actual specifications are identical.
============ 55 passed, 1 skipped, 37 warnings in 312.42s (0:05:12) ============

[natalyjazzviolin]

All looks good - just remove the version bumps on those two files!

[natalyjazzviolin]

Running the build on a non-forked branch here: #23452

[natalyjazzviolin]

Closing this in favor of the non-forked PR to make sure we see that the build is passing. Waiting on a review from @airbytehq/connector-operations:
#23452