chore(source-google-ads): use dev CDK with concurrency logging for debugging

[devin-ai-integration]

What

Temporary dev prerelease of source-google-ads that uses a CDK branch with added concurrency-level logging at startup. This is to diagnose a deterministic deadlock in Airbyte Cloud where the connector hangs when the num_workers config field is absent but works when explicitly set — despite both cases producing identical concurrency levels locally.

Related CDK PR: airbytehq/airbyte-python-cdk#925

⚠️ This PR is NOT intended to be merged. It exists solely to publish a connector prerelease for Cloud debugging.

How

• Changed airbyte-cdk dependency from PyPI 7.9.2 to a git branch (devin/1772184954-log-concurrency-level) that adds an info-level log line in ConcurrentDeclarativeSource.__init__() reporting the resolved concurrency_level, initial_number_of_partitions_to_generate, and whether the concurrency level was defined in the manifest.
• Updated poetry.lock accordingly.

Review guide

1. pyproject.toml — single-line dependency change (line 23)
2. poetry.lock — auto-generated; note the CDK resolves to version 0.0.0 because poetry-dynamic-versioning doesn't apply on non-tagged branch commits. Also note nltk, joblib, and tqdm were dropped as transitive deps — this reflects changes on CDK main since v7.9.2.

User Impact

No user impact — this is a debug prerelease that will only be deployed to an internal sandbox workspace to inspect concurrency configuration logs.

Can this PR be safely reverted and rolled back?

• YES 💚

---

Requested by: Anatolii Yatsuk (@tolik0)

Link to Devin run: https://app.devin.ai/sessions/bf0f8e1a923541648f70ec31d962b9e9

[devin-ai-integration]

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[github-actions]

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[github-actions]

Pre-release Connector Publish Started

Publishing pre-release build for connector source-google-ads.
PR: #74083

Pre-release versions will be tagged as {version}-preview.5f04e53
and are available for version pinning via the scoped_configuration API.

View workflow run

[Anatolii Yatsuk (tolik0)]

/publish-connectors-prerelease

Pre-release Connector Publish Started

Publishing pre-release build for connector source-google-ads.
PR: #74083

Pre-release versions will be tagged as {version}-preview.5f04e53
and are available for version pinning via the scoped_configuration API.

View workflow run

[github-actions]

source-google-ads Connector Test Results

262 tests   258 ✅  41m 46s ⏱️
  2 suites    4 💤
  2 files      0 ❌

Results for commit b2d6798.

♻️ This comment has been updated with latest results.

[github-actions]

Pre-release Connector Publish Started

Publishing pre-release build for connector source-google-ads.
PR: #74083

Pre-release versions will be tagged as {version}-preview.6a49204
and are available for version pinning via the scoped_configuration API.

View workflow run
Pre-release Publish: SUCCESS ✅

Docker image (pre-release):
airbyte/source-google-ads:4.1.6-preview.6a49204

Docker Hub: https://hub.docker.com/layers/airbyte/source-google-ads/4.1.6-preview.6a49204

Registry JSON:

• OSS Registry
• Cloud Registry

[github-actions]

Pre-release Connector Publish Started

Publishing pre-release build for connector source-google-ads.
PR: #74083

Pre-release versions will be tagged as {version}-preview.b2d6798
and are available for version pinning via the scoped_configuration API.

View workflow run
Pre-release Publish: SUCCESS ✅

Docker image (pre-release):
airbyte/source-google-ads:4.1.6-preview.b2d6798

Docker Hub: https://hub.docker.com/layers/airbyte/source-google-ads/4.1.6-preview.b2d6798

Registry JSON:

• OSS Registry
• Cloud Registry