chore: Add `macos` executor for unit tests #4016

Job	Run time
Lint check / Lint check (3.11)	24s
Lint check / Lint check (3.10)	28s
Lint check / Lint check (3.13)	26s
Lint check / Lint check (3.14)	26s
Lint check / Lint check (3.12)	22s
Type check / Type check (3.10)	46s
Type check / Type check (3.13)	48s
Type check / Type check (3.12)	48s
Type check / Type check (3.11)	48s
Type check / Type check (3.14)	45s
Docs check / Docs check	1m 58s
Unit tests / Unit tests (ubuntu-latest, 3.12)	58s
Unit tests / Unit tests (windows-latest, 3.10)	1m 10s
Unit tests / Unit tests (ubuntu-latest, 3.11)	55s
Unit tests / Unit tests (windows-latest, 3.13)	1m 30s
Unit tests / Unit tests (ubuntu-latest, 3.13)	58s
Unit tests / Unit tests (macos-latest, 3.11)	1m 2s
Unit tests / Unit tests (macos-latest, 3.13)	1m 4s
Unit tests / Unit tests (windows-latest, 3.12)	1m 21s
Unit tests / Unit tests (ubuntu-latest, 3.14)	1m 4s
Unit tests / Unit tests (macos-latest, 3.14)	1m 5s
Unit tests / Unit tests (windows-latest, 3.14)	1m 55s
Unit tests / Unit tests (ubuntu-latest, 3.10)	37s
Unit tests / Unit tests (windows-latest, 3.11)	1m 30s
Unit tests / Unit tests (macos-latest, 3.12)	1m 39s
Unit tests / Unit tests (macos-latest, 3.10)	1m 3s
	25m 50s

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