reinstate engine filters

Author: themisvaltinos

.circleci/continue_config.yml

@@ -302,18 +302,18 @@ workflows:
           matrix:
             parameters:
               engine:
-                # - snowflake
-                # - databricks
-                # - redshift
-                # - bigquery
-                # - clickhouse-cloud
-                # - athena
-                # - fabric
+                - snowflake
+                - databricks
+                - redshift
+                - bigquery
+                - clickhouse-cloud
+                - athena
+                - fabric
                 - gcp-postgres
-          # filters:
-          #   branches:
-          #     only:
-          #       - main
+          filters:
+            branches:
+              only:
+                - main
       - ui_style
       - ui_test
       - vscode_test