Bump google-cloud-bigquery-datatransfer in /images/airflow/2.9.2/etc

Bumps [google-cloud-bigquery-datatransfer](https://github.com/googleapis/google-cloud-python) from 3.15.3 to 3.16.0.
- [Release notes](https://github.com/googleapis/google-cloud-python/releases)
- [Changelog](https://github.com/googleapis/google-cloud-python/blob/main/packages/google-cloud-documentai/CHANGELOG.md)
- [Commits](googleapis/google-cloud-python@google-cloud-bigquery-datatransfer-v3.15.3...google-cloud-bigquery-datatransfer-v3.16.0)

---
updated-dependencies:
- dependency-name: google-cloud-bigquery-datatransfer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

images/airflow/2.9.2/etc/airflow_constraints.txt

@@ -327,7 +327,7 @@ google-cloud-appengine-logging==1.4.3
 google-cloud-audit-log==0.2.5
 google-cloud-automl==2.13.3
 google-cloud-batch==0.17.21
-google-cloud-bigquery-datatransfer==3.15.3
+google-cloud-bigquery-datatransfer==3.16.0
 google-cloud-bigquery==3.20.1
 google-cloud-bigtable==2.23.1
 google-cloud-build==3.24.0