Tests

Fixes bug/feature in GitHub action upload-artifact that ignores any file that starts with a dot. #271

Job	Run time
Tests / Prepare Python/Django matrix	17s
Tests / Python 3.8 - Django 3.2.*	37s
Tests / Python 3.8 - Django 4.1.*	41s
Tests / Python 3.8 - Django 4.2.*	36s
Tests / Python 3.9 - Django 3.2.*	40s
Tests / Python 3.9 - Django 4.1.*	37s
Tests / Python 3.9 - Django 4.2.*	45s
Tests / Python 3.10 - Django 3.2.*	48s
Tests / Python 3.10 - Django 4.1.*	37s
Tests / Python 3.10 - Django 4.2.*	37s
Tests / Python 3.10 - Django 5.0.*	42s
Tests / Python 3.10 - Django 5.1.*	41s
Tests / Python 3.10 - Django main	52s
Tests / Python 3.11 - Django 3.2.*	29s
Tests / Python 3.11 - Django 4.1.*	31s
Tests / Python 3.11 - Django 4.2.*	33s
Tests / Python 3.11 - Django 5.0.*	38s
Tests / Python 3.11 - Django 5.1.*	41s
Tests / Python 3.11 - Django main	44s
Tests / Python 3.12 - Django 3.2.*	43s
Tests / Python 3.12 - Django 4.1.*	39s
Tests / Python 3.12 - Django 4.2.*	39s
Tests / Python 3.12 - Django 5.0.*	41s
Tests / Python 3.12 - Django 5.1.*	46s
Tests / Python 3.12 - Django main	1m 0s
Tests / coverage	6s
	16m 40s

Provide feedback