feat: Add `Actor` method `use_state` #81

Job	Run time
PR title check	5s
Code checks / Spell check	5s
Code checks / Lint check / Lint check (3.10)	8s
Code checks / Actions lint check	30s
Code checks / Lint check / Lint check (3.11)	9s
Doc checks / Doc checks / Docs check	1m 1s
Code checks / Lint check / Lint check (3.12)	10s
Code checks / Lint check / Lint check (3.14)	10s
Code checks / Lint check / Lint check (3.13)	13s
Code checks / Type check / Type check (3.13)	14s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.10)	33s
Code checks / Type check / Type check (3.12)	8s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	57s
Tests / Unit tests / Unit tests (windows-latest, 3.10)	52s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	1m 1s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	59s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	39s
Code checks / Type check / Type check (3.10)	12s
Code checks / Type check / Type check (3.11)	10s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	54s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	37s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	36s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	36s
Code checks / Type check / Type check (3.14)	9s
Tests / Integration tests / Integration tests	0s
	11m 8s

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