opentelemetry-instrumentation-dbapi: suppress async cursor spans

[paragon]

Honor suppress_instrumentation() in CursorTracer.traced_execution_async, matching the sync traced_execution path of CursorTracer.traced_execution.

Description

Fixes async DBAPI cursor execution not honoring suppress_instrumentation().

The sync CursorTracer.traced_execution() path already checks is_instrumentation_enabled() before creating spans, but CursorTracer.traced_execution_async() did not. This meant async DBAPI instrumentations that use this shared tracer could still emit spans while instrumentation was suppressed.

This change adds the same suppression guard to the async execution path and adds a regression test to verify the async query method still runs while no span is exported.

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Ran the DBAPI package tests and lint locally:

• uvx tox -e py314-test-instrumentation-dbapi-wrapt2 -- instrumentation/opentelemetry-instrumentation-dbapi/tests/test_dbapi_integration.py::TestDBApiIntegration::test_suppress_instrumentation_async
• uvx tox -e lint-instrumentation-dbapi
• uvx ruff check instrumentation/opentelemetry-instrumentation-dbapi/src/opentelemetry/instrumentation/dbapi/__init__.py instrumentation/opentelemetry-instrumentation-dbapi/tests/test_dbapi_integration.py

Test configuration: macOS, Python 3.14.3.

Does This PR Require a Core Repo Change?

• No.

Checklist:

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added
• Documentation has been updated

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: paragon / name: paragon (522ed6a, a9a9d24)

[github-actions]

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