ci: update versions and fix node v14. #50

Job	Run time
Native (macos-latest, 16.x)	9s
Native (macos-latest, 18.x)	26s
Browser	7m 9s
Javascript & Bigint (14.x, test-js)	3m 51s
Native w/ Torsion (macos-latest, 16.x)	10s
Native (macos-latest, 20.x)	26s
Native w/ Torsion (macos-latest, 18.x)	1s
Javascript & Bigint (14.x, test-bigint)	2m 45s
Native (macos-latest, 22.x)	28s
Native w/ Torsion (macos-latest, 20.x)	1s
Lint	8s
Javascript & Bigint (16.x, test-js)	3m 32s
Native (ubuntu-latest, 14.x)	13s
Native w/ Torsion (macos-latest, 22.x)	1s
Native (ubuntu-latest, 16.x)	24s
Native w/ Torsion (ubuntu-latest, 14.x)	14s
Javascript & Bigint (16.x, test-bigint)	2m 29s
Native (ubuntu-latest, 18.x)	24s
Native w/ Torsion (ubuntu-latest, 16.x)	25s
Javascript & Bigint (18.x, test-js)	3m 54s
Native (ubuntu-latest, 20.x)	26s
Native w/ Torsion (ubuntu-latest, 18.x)	25s
Javascript & Bigint (18.x, test-bigint)	2m 31s
Native (ubuntu-latest, 22.x)	23s
Javascript & Bigint (20.x, test-js)	4m 7s
Native w/ Torsion (ubuntu-latest, 20.x)	26s
Javascript & Bigint (20.x, test-bigint)	2m 10s
Native w/ Torsion (ubuntu-latest, 22.x)	25s
Javascript & Bigint (22.x, test-js)	3m 22s
Javascript & Bigint (22.x, test-bigint)	2m 9s
	43m 34s

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