tests

chore: rename the coverage GHA step #212

Job	Run time
coverage	42s
py3.11 unit tests	27s
py3.13 unit tests	30s
py3.12 unit tests	33s
style	20s
py3.12 scim2-cli downstream unit tests	20s
doc	13s
py3.10 unit tests	32s
py3.11 scim2-cli downstream unit tests	21s
py3.13 scim2-cli downstream unit tests	16s
minimum dependency versions	36s
	4m 50s

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