Fix mypy no-redef errors for timeout imports in providers

[amoghrajesh]

Errors:

providers/google/src/airflow/providers/google/version_compat.py:64: error: Name "timeout" already defined (possibly by an import)  [no-redef]
        from airflow.utils.timeout import timeout  # type: ignore[assignment]  # type: ignore[assignment]
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
providers/google/src/airflow/providers/google/version_compat.py:64: note: Error code "no-redef" not covered by "type: ignore" comment
providers/openlineage/src/airflow/providers/openlineage/version_compat.py:47: error: Name "timeout" already defined (possibly by an import)  [no-redef]
        from airflow.utils.timeout import timeout  # type: ignore[assignment]
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
providers/openlineage/src/airflow/providers/openlineage/version_compat.py:47: note: Error code "no-redef" not covered by "type: ignore" comment
providers/celery/src/airflow/providers/celery/version_compat.py:34: error: Name "timeout" already defined (possibly by an import)  [no-redef]
        from airflow.utils.timeout import timeout  # type: ignore[assignment]
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
providers/celery/src/airflow/providers/celery/version_compat.py:34: note: Error code "no-redef" not covered by "type: ignore" comment
Found 3 errors in 3 files (checked 3962 source files)

Fix for https://github.com/apache/airflow/actions/runs/16939013494/job/48003772243

---

^ Add meaningful description above
Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

[amoghrajesh]

No need to backport this, the change that lead to this failure was a 3.1 milestone