tests

chore: more precise type annotations #429

Job	Run time
py unit tests	16s
py3.13 unit tests	10s
py3.12 unit tests	10s
py3.11 unit tests	12s
py3.9 unit tests	11s
py3.10 unit tests	13s
minimum dependency versions	11s
style	13s
py3.13 scim2-tester downstream unit tests	22s
py3.13 scim2-server downstream unit tests	16s
doc	14s
py3.12 scim2-client downstream unit tests	18s
py3.12 scim2-tester downstream unit tests	21s
py3.11 scim2-client downstream unit tests	18s
py3.13 scim2-client downstream unit tests	15s
py3.12 scim2-server downstream unit tests	20s
py3.12 scim2-cli downstream unit tests	20s
py3.11 scim2-cli downstream unit tests	21s
py3.13 scim2-cli downstream unit tests	17s
py3.11 scim2-tester downstream unit tests	31s
py3.11 scim2-server downstream unit tests	18s
	5m 47s

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