chore(deps): update all dependencies

Author: renovate-bot

samples/snippets/requirements.txt

@@ -1,9 +1,9 @@
 alembic===1.14.0; python_version == '3.8'
-alembic==1.16.1;  python_version >= '3.9'
-certifi==2025.4.26
+alembic==1.16.2;  python_version >= '3.9'
+certifi==2025.6.15
 charset-normalizer==3.4.2
 geoalchemy2==0.17.1
-google-api-core[grpc]==2.25.0
+google-api-core[grpc]==2.25.1
 google-auth==2.40.3
 google-cloud-bigquery===3.30.0; python_version == '3.8'
 google-cloud-bigquery==3.34.0; python_version >= '3.9'