* updates Django to 4.x and other packages (if possible) to latest versions
* Attention: Requires postgresql >= 12.0
* updates code fragments to match requirements of newer package versions
* refactors konova/autocompletes.py by splitting into individual files and moving them to fitting apps
* autocomplete files now live in APPNAME/autocomplete/...
* splits compensation/forms.py and /modalForms.py into individual files inside new packages
* general forms stay in new files in compensation/forms
* modal forms stay in new files in compensation/forms/modals