chore(deps): update dependency google-cloud-bigquery to v2.34.3 (#422)

Author: renovate-bot

bigquery_storage/snippets/requirements.txt

@@ -1,3 +1,3 @@
 google-cloud-bigquery-storage==2.13.0
-google-cloud-bigquery==2.34.2
+google-cloud-bigquery==2.34.3
 protobuf==3.19.4

bigquery_storage/to_dataframe/requirements.txt

@@ -1,6 +1,6 @@
 google-auth==2.6.2
 google-cloud-bigquery-storage==2.13.0
-google-cloud-bigquery==2.34.2
+google-cloud-bigquery==2.34.3
 pyarrow==7.0.0
 ipython===7.31.1; python_version == '3.7'
 ipython===8.0.1; python_version == '3.8'