Inform the user when a database driver isn't official (#21409)

bin/build-drivers/src/build_drivers/lint_manifest_file.clj

docs/developers-guide/drivers/plugins.md

frontend/src/metabase-types/api/mocks/settings.ts

frontend/src/metabase-types/api/settings.ts

...tabase/components/DriverWarning/DriverWarning.stories.tsx

...etabase/components/DriverWarning/DriverWarning.styled.tsx

...d/src/metabase/components/DriverWarning/DriverWarning.tsx

...base/components/DriverWarning/DriverWarning.unit.spec.tsx

...c/metabase/setup/components/DatabaseStep/DatabaseStep.tsx

src/metabase/driver.clj

src/metabase/driver/util.clj

src/metabase/plugins/lazy_loaded_driver.clj