chore(deps): update all dependencies

Author: renovate-bot

samples/snippets/requirements-test.txt

@@ -1,2 +1,2 @@
-google-cloud-testutils==1.6.4
-pytest==8.4.2
+google-cloud-testutils==1.7.0
+pytest==9.0.2

samples/snippets/requirements.txt

@@ -1,6 +1,6 @@
-google-cloud-bigquery-storage==2.33.1
-google-cloud-bigquery==3.38.0
-pandas-gbq==0.29.2
+google-cloud-bigquery-storage==2.35.0
+google-cloud-bigquery==3.39.0
+pandas-gbq==0.31.1
 pandas==2.3.3
-pyarrow==21.0.0; python_version <= "3.9"
+pyarrow==22.0.0; python_version <= "3.9"
 pyarrow==22.0.0; python_version > "3.9"