chore(deps): update all dependencies (#750)

* chore(deps): update all dependencies

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

samples/snippets/requirements.txt

@@ -1,5 +1,5 @@
 google-cloud-bigquery-storage==2.24.0
-google-cloud-bigquery==3.19.0
+google-cloud-bigquery==3.20.1
 pandas-gbq==0.22.0
 pandas===2.0.3; python_version == '3.8'
 pandas==2.2.1; python_version >= '3.9'