feat: Configuration Method and expanded parameters for Database Model (#14451)

* db migration for dbs

* first draft at logic

* added unit tests

* revisions

* use strings for db values

* lint and revisions to tests

* changed test back

* added revisions for testing

* Update superset/databases/commands/update.py

Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>

* Update superset/databases/schemas.py

Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>

* Update superset/models/core.py

Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>

* Update superset/databases/commands/update.py

Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>

* got rid of extra imports added new test

* Update superset/databases/schemas.py

Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>

Co-authored-by: Elizabeth Thompson <eschutho@gmail.com>
Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>

tests/databases/commands_tests.py

@@ -74,7 +74,6 @@ class TestExportDatabasesCommand(SupersetTestCase):
             "metadata.yaml",
             "databases/examples.yaml",
             "datasets/examples/energy_usage.yaml",
-            "datasets/examples/wb_health_population.yaml",
             "datasets/examples/birth_names.yaml",
         }
         expected_extra = {
@@ -88,7 +87,6 @@ class TestExportDatabasesCommand(SupersetTestCase):
                 **expected_extra,
                 "engine_params": {"connect_args": {"poll_interval": 0.1}},
             }
-
         assert core_files.issubset(set(contents.keys()))
 
         if example_db.backend == "postgresql":