refactor!: Remove wait_for_finish from Actor.start #731

Job	Run time
PR title check	5s
Checks / Spell check	9s
Checks / Package check	19s
Checks / E2E tests (3.14, ubuntu-latest)	5m 37s
Checks / Actions lint check	31s
Checks / Integration tests (3.14, ubuntu-latest)	2m 30s
Checks / Integration tests (3.11, ubuntu-latest)	3m 41s
Checks / E2E tests (3.11, ubuntu-latest)	5m 14s
Checks / Type check / Type check (3.12)	15s
Checks / Type check / Type check (3.14)	17s
Checks / Type check / Type check (3.11)	14s
Checks / Lint check / Lint check (3.13)	14s
Checks / Doc check / Docs check	1m 8s
Checks / Lint check / Lint check (3.12)	13s
Checks / Lint check / Lint check (3.11)	10s
Checks / Type check / Type check (3.13)	14s
Checks / Unit tests / Unit tests (ubuntu-latest, 3.14)	1m 1s
Checks / Unit tests / Unit tests (ubuntu-latest, 3.13)	1m 1s
Checks / Unit tests / Unit tests (ubuntu-latest, 3.12)	1m 1s
Checks / Unit tests / Unit tests (ubuntu-latest, 3.11)	1m 4s
Checks / Unit tests / Unit tests (windows-latest, 3.13)	1m 32s
Checks / Lint check / Lint check (3.14)	12s
Checks / Unit tests / Unit tests (windows-latest, 3.12)	1m 37s
Checks / Unit tests / Unit tests (windows-latest, 3.11)	1m 36s
Checks / Unit tests / Unit tests (windows-latest, 3.14)	1m 24s
	31m 19s

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