fix(deps): Update dependency google-cloud-bigquery to v3.38.0

Author: renovate-bot

webhook/requirements.txt

@@ -1,6 +1,6 @@
 flask==3.1.0
 functions-framework==3.8.2
-google-cloud-bigquery==3.31.0
+google-cloud-bigquery==3.38.0
 google-cloud-documentai==3.3.0
 google-cloud-storage==3.1.0
 google-genai==1.9.0