chore(deps): update dependency pytest-cov to v6 #45

Job	Run time
Docs check / Docs check	1m 38s
Lint check / Lint check (3.9)	25s
Async dostrings check / Async docstrings check	23s
Type check / Type check (3.9)	28s
Lint check / Lint check (3.10)	20s
Type check / Type check (3.10)	29s
Lint check / Lint check (3.11)	17s
Type check / Type check (3.11)	27s
Unit tests / Unit tests (ubuntu-latest, 3.9)	26s
Type check / Type check (3.12)	24s
Lint check / Lint check (3.12)	21s
Unit tests / Unit tests (ubuntu-latest, 3.10)	26s
Type check / Type check (3.13)	38s
Lint check / Lint check (3.13)	31s
Unit tests / Unit tests (ubuntu-latest, 3.11)	23s
Unit tests / Unit tests (ubuntu-latest, 3.12)	24s
Unit tests / Unit tests (ubuntu-latest, 3.13)	37s
Unit tests / Unit tests (windows-latest, 3.9)	1m 10s
Unit tests / Unit tests (windows-latest, 3.10)	2m 7s
Unit tests / Unit tests (windows-latest, 3.11)	1m 38s
Unit tests / Unit tests (windows-latest, 3.12)	1m 6s
Unit tests / Unit tests (windows-latest, 3.13)	3m 23s
Integration tests / Integration tests (3.9)	31s
Integration tests / Integration tests (3.13)	39s
Integration tests / Approve integration tests for PRs from forks	0s
Integration tests / Integration tests for PRs from forks	0s
	19m 11s

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