chore: Upgrade Webpack to v5 (#16701)

* Upgrade Webpack to v5

* Remove mapbox hack

* Replace url-loaders and file-loaders with asset modules

* Remove 1 rule

* Change --colors to --color

* Remove invalid option (--no-progress)

* Remove url-loader, bump plugin

* Fix AnnotationLayer formula check

* Remove redundant tests

* Bump cypress packages

* Remove old comment

* Fix tests

* Remove checks for number of scripts in markdown test

* Cosmetic changes

* Add tests

* Fix test

* Fix test

* Fixes test warnings

* disable flaky test

Co-authored-by: Ville Brofeldt <ville.v.brofeldt@gmail.com>
Co-authored-by: Michael S. Molina <michael.s.molina@gmail.com>

superset-frontend/src/visualizations/TimeTable/TimeTableChartPlugin.js

@@ -44,7 +44,7 @@ export default class TimeTableChartPlugin extends ChartPlugin {
     super({
       metadata,
       transformProps,
-      loadChart: () => import('./TimeTable.jsx'),
+      loadChart: () => import('./TimeTable'),
     });
   }
 }