bigquery: enable integration tests in custom test runner

Author: squiidz

cmd/tools/integration/packages.json

@@ -20,7 +20,7 @@
   {"path":"./internal/impl/elasticsearch/v9"},
   {"path":"./internal/impl/gcp"},
   {"path":"./internal/impl/gcp/enterprise"},
-  {"path":"./internal/impl/gcp/enterprise/bigquery","skip":true},
+  {"path":"./internal/impl/gcp/enterprise/bigquery"},
   {"path":"./internal/impl/gcp/enterprise/changestreams"},
   {"path":"./internal/impl/gcp/enterprise/changestreams/metadata"},
   {"path":"./internal/impl/hdfs"},