chore: Add `macos` executor for unit tests #4020

Job	Run time
Docs check / Docs check	1m 59s
Lint check / Lint check (3.12)	29s
Lint check / Lint check (3.10)	27s
Lint check / Lint check (3.14)	27s
Lint check / Lint check (3.11)	31s
Type check / Type check (3.10)	40s
Lint check / Lint check (3.13)	26s
Type check / Type check (3.13)	49s
Type check / Type check (3.11)	41s
Type check / Type check (3.12)	48s
Type check / Type check (3.14)	48s
Unit tests / Unit tests (ubuntu-latest, 3.10)	35s
Unit tests / Unit tests (ubuntu-latest, 3.12)	1m 6s
Unit tests / Unit tests (ubuntu-latest, 3.14)	1m 13s
Unit tests / Unit tests (ubuntu-latest, 3.11)	1m 7s
Unit tests / Unit tests (ubuntu-latest, 3.13)	1m 7s
Unit tests / Unit tests (windows-latest, 3.11)	1m 28s
Unit tests / Unit tests (macos-latest, 3.10)	1m 19s
Unit tests / Unit tests (windows-latest, 3.14)	1m 44s
Unit tests / Unit tests (windows-latest, 3.12)	1m 34s
Unit tests / Unit tests (macos-latest, 3.11)	1m 54s
Unit tests / Unit tests (macos-latest, 3.12)	1m 27s
Unit tests / Unit tests (macos-latest, 3.14)	1m 17s
Unit tests / Unit tests (macos-latest, 3.13)	1m 33s
Unit tests / Unit tests (windows-latest, 3.10)	1m 0s
Unit tests / Unit tests (windows-latest, 3.13)	1m 32s
	28m 1s

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