chore(deps): update dependency google-cloud-bigquery to v3.19.0 (#282)

Author: renovate-bot

samples/snippets/requirements-test.txt

@@ -1,3 +1,3 @@
 pytest==8.1.1
 mock==5.1.0
-google-cloud-bigquery==3.18.0
+google-cloud-bigquery==3.19.0

samples/snippets/requirements.txt

@@ -1,4 +1,4 @@
-google-cloud-bigquery==3.18.0
+google-cloud-bigquery==3.19.0
 google-cloud-documentai==2.24.1
 google-cloud-storage==2.15.0
 google-cloud-documentai-toolbox==0.13.1a0