Django-slick-reporting

- Fix Django 4 compatibility (squio)

- Breaking [ONLY] if you have overridden ReportView.get_report_results()
- Moved the collecting of total report data to the report generator to make easier low level usage.
- Fixed an issue with Charts.js `get_row_data`
- Added ChartsOption 'time_series_support',in both chart.js and highcharts
- Fixed `SlickReportField.create` to use the issuing class not the vanilla one.

- Fix compatibility with Django 3.2

- Add ability to refer to related fields in a group by report(jrutila)

- Add exclude_field to report_form_factory (gr4n0t4)
- Added support for group by Many To Many field (gr4n0t4)

- Add datepicker initialization function call (squio)
- Fixed an issue with default dates not being functional.