chore(deps): update all dependencies (#358)

Author: renovate-bot

packages/google-cloud-bigquery-storage/samples/snippets/requirements-test.txt

@@ -1,2 +1,2 @@
-google-cloud-testutils==1.2.0
+google-cloud-testutils==1.3.0
 pytest==6.2.5

packages/google-cloud-bigquery-storage/samples/snippets/requirements.txt

@@ -1,3 +1,3 @@
 google-cloud-bigquery-storage==2.10.1
-google-cloud-bigquery==2.30.1
+google-cloud-bigquery==2.31.0
 protobuf==3.19.1

packages/google-cloud-bigquery-storage/samples/to_dataframe/requirements.txt

@@ -1,6 +1,6 @@
 google-auth==2.3.3
 google-cloud-bigquery-storage==2.10.1
-google-cloud-bigquery==2.30.1
+google-cloud-bigquery==2.31.0
 pyarrow==6.0.1
 ipython==7.24.0; python_version > '3.6'
 ipython==7.16.1; python_version <= '3.6'