black formatting

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: sungchun12

tests/test_dbt_config_validators.py

@@ -15,7 +15,7 @@
 class TestRunResultsJsonConfig(unittest.TestCase):
     def test_run_results(self):
         # https://docs.getdbt.com/reference/artifacts/run-results-json
-        versions = ["v4","v5"]
+        versions = ["v4", "v5"]
 
         for version in versions:
             with self.subTest(version=version):