chore(deps): update all dependencies

Author: renovate-bot

samples/snippets/requirements-test.txt

@@ -1,2 +1,2 @@
-google-cloud-testutils==1.4.0
+google-cloud-testutils==1.5.0
 pytest==8.3.4

samples/snippets/requirements.txt

@@ -1,6 +1,6 @@
 google-cloud-bigquery-storage==2.27.0
 google-cloud-bigquery==3.27.0
-pandas-gbq==0.24.0
+pandas-gbq==0.26.0
 pandas===2.0.3; python_version == '3.8'
 pandas==2.2.3; python_version >= '3.9'
 pyarrow==18.1.0; python_version >= '3.9'