chore: use name google.cloud.bigquery_storage namespace to avoid conflicts with google.cloud.bigquery

PiperOrigin-RevId: 351218127

Author: Google APIs

google/cloud/bigquery/storage/v1beta2/BUILD.bazel

@@ -146,6 +146,7 @@ go_gapic_assembly_pkg(
 ##############################################################################
 # Python
 ##############################################################################
+
 load(
     "@com_google_googleapis_imports//:imports.bzl",
     "py_gapic_assembly_pkg",
@@ -156,6 +157,10 @@ py_gapic_library(
     name = "storage_py_gapic",
     srcs = [":storage_proto"],
     grpc_service_config = "bigquerystorage_grpc_service_config.json",
+    opt_args = [
+        "python-gapic-namespace=google.cloud",
+        "python-gapic-name=bigquery_storage",
+    ],
 )
 
 py_gapic_assembly_pkg(