Add coverage report in CI

[github-actions[bot]]

Coverage Report

File	Stmts	Miss	Cover	Missing
luxtronik
__init__.py	134	106	21%	38–54, 61–66, 69–73, 79, 83, 102–113, 116–119, 122–142, 145–160, 163–180, 183–198, 202–204, 208–209, 213–214
__main__.py	21	21	0%	2–48
calculations.py	32	23	28%	43, 307, 311–319, 324–336, 340–341
datatypes.py	235	13	94%	37, 42, 47, 52, 57, 72–75, 80–83, 92
discover.py	43	34	21%	25–77
parameters.py	50	39	22%	33–36, 1166, 1170–1178, 1186–1206, 1210–1211, 1215–1222
visibilities.py	32	23	28%	13, 372, 376–384, 389–401, 405–406
luxtronik/scripts
dump_changes.py	44	44	0%	5–93
dump_luxtronik.py	28	28	0%	5–64
TOTAL	627	331	47%

Tests	Skipped	Failures	Errors	Time
102	4 :zzz:	0 :x:	0 :fire:	0.710s :stopwatch: