tests

Add "@final" tag support #471

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	20s
Tests (8.1, ubuntu-latest, prefer-stable)	18s
Tests (8.1, macos-latest, prefer-lowest)	1m 25s
Tests (8.1, macos-latest, prefer-stable)	1m 19s
Tests (8.1, windows-latest, prefer-lowest)	33s
Tests (8.1, windows-latest, prefer-stable)	35s
Tests (8.2, ubuntu-latest, prefer-lowest)	14s
Tests (8.2, ubuntu-latest, prefer-stable)	16s
Tests (8.2, macos-latest, prefer-lowest)	1m 11s
Tests (8.2, macos-latest, prefer-stable)	1m 29s
Tests (8.2, windows-latest, prefer-lowest)	37s
Tests (8.2, windows-latest, prefer-stable)	40s
Tests (8.3, ubuntu-latest, prefer-lowest)	18s
Tests (8.3, ubuntu-latest, prefer-stable)	18s
Tests (8.3, macos-latest, prefer-lowest)	1m 24s
Tests (8.3, macos-latest, prefer-stable)	1m 38s
Tests (8.3, windows-latest, prefer-lowest)	38s
Tests (8.3, windows-latest, prefer-stable)	38s
Tests (8.4, ubuntu-latest, prefer-lowest)	18s
Tests (8.4, ubuntu-latest, prefer-stable)	15s
Tests (8.4, macos-latest, prefer-lowest)	1m 41s
Tests (8.4, macos-latest, prefer-stable)	1m 34s
Tests (8.4, windows-latest, prefer-lowest)	31s
Tests (8.4, windows-latest, prefer-stable)	44s
	18m 54s

Provide feedback