chore: add default_version and codeowner_team to .repo-metadata.json (#320)

* chore: add default_version and codeowner_team to .repo-metadata.json

* update default_version and codeowner_team

Author: parthea

packages/google-cloud-bigquery-storage/.repo-metadata.json

@@ -1,14 +1,16 @@
 {
-  "name": "bigquerystorage",
-  "name_pretty": "Google BigQuery Storage",
-  "product_documentation": "https://cloud.google.com/bigquery/docs/reference/storage/",
-  "client_documentation": "https://googleapis.dev/python/bigquerystorage/latest",
-  "issue_tracker": "https://issuetracker.google.com/savedsearches/559654",
-  "release_level": "ga",
-  "language": "python",
-  "library_type": "GAPIC_COMBO",
-  "repo": "googleapis/python-bigquery-storage",
-  "distribution_name": "google-cloud-bigquery-storage",
-  "api_id": "bigquerystorage.googleapis.com",
-  "requires_billing": true
-}
+    "name": "bigquerystorage",
+    "name_pretty": "Google BigQuery Storage",
+    "product_documentation": "https://cloud.google.com/bigquery/docs/reference/storage/",
+    "client_documentation": "https://googleapis.dev/python/bigquerystorage/latest",
+    "issue_tracker": "https://issuetracker.google.com/savedsearches/559654",
+    "release_level": "ga",
+    "language": "python",
+    "library_type": "GAPIC_COMBO",
+    "repo": "googleapis/python-bigquery-storage",
+    "distribution_name": "google-cloud-bigquery-storage",
+    "api_id": "bigquerystorage.googleapis.com",
+    "requires_billing": true,
+    "default_version": "v1",
+    "codeowner_team": "@googleapis/api-bigquery"
+}