chore: Add back support for Python 3.9 (#448) #138

Job	Run time
Prepare release metadata	11s
Lint check / Lint check (3.12)	8s
Lint check / Lint check (3.11)	11s
Unit tests / Unit tests (ubuntu-latest, 3.11)	29s
Unit tests / Unit tests (windows-latest, 3.9)	43s
Unit tests / Unit tests (ubuntu-latest, 3.9)	30s
Unit tests / Unit tests (ubuntu-latest, 3.10)	31s
Lint check / Lint check (3.10)	8s
Unit tests / Unit tests (ubuntu-latest, 3.13)	33s
Unit tests / Unit tests (ubuntu-latest, 3.12)	35s
Lint check / Lint check (3.13)	12s
Lint check / Lint check (3.9)	10s
Type check / Type check (3.11)	16s
Type check / Type check (3.10)	16s
Type check / Type check (3.12)	17s
Unit tests / Unit tests (windows-latest, 3.10)	42s
Unit tests / Unit tests (windows-latest, 3.11)	1m 0s
Type check / Type check (3.9)	17s
Unit tests / Unit tests (windows-latest, 3.12)	1m 8s
Type check / Type check (3.13)	14s
Unit tests / Unit tests (windows-latest, 3.13)	1m 1s
Async dostrings check / Async docstrings check	17s
Integration tests / Integration tests (3.9)	20s
Integration tests / Integration tests (3.11)	18s
Integration tests / Integration tests (3.13)	15s
Integration tests / Integration tests (3.10)	18s
Integration tests / Integration tests (3.12)	14s
Integration tests / Integration tests for PRs from forks	0s
Integration tests / Approve integration tests for PRs from forks	0s
Update changelog / bump_and_update_changelog	7s
Publish to PyPI	30s
	11m 51s

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