chore(deps): update dependency pyarrow to v6.0.1 (#357)

Author: renovate-bot

bigquery_storage/to_dataframe/requirements.txt

@@ -1,7 +1,7 @@
 google-auth==2.3.3
 google-cloud-bigquery-storage==2.10.1
 google-cloud-bigquery==2.30.1
-pyarrow==6.0.0
+pyarrow==6.0.1
 ipython==7.24.0; python_version > '3.6'
 ipython==7.16.1; python_version <= '3.6'
 pandas==1.2.5; python_version > '3.6'