pkg: fix eslint config. #53

Job	Run time
Browser	6m 39s
Browser	6m 39s
Native (macos-latest, 18.x)	1m 8s
Native (macos-latest, 18.x)	1m 8s
Javascript & Bigint (18.x, test-js)	3m 54s
Javascript & Bigint (18.x, test-js)	3m 54s
Native (macos-latest, 20.x)	1m 0s
Native (macos-latest, 20.x)	1m 0s
Native w/ Torsion (macos-latest, 18.x)	1m 16s
Native w/ Torsion (macos-latest, 18.x)	1m 16s
Javascript & Bigint (18.x, test-bigint)	2m 35s
Javascript & Bigint (18.x, test-bigint)	2m 35s
Native (ubuntu-latest, 18.x)	1m 12s
Native (ubuntu-latest, 18.x)	1m 12s
Lint	5s
Lint	8s
Javascript & Bigint (20.x, test-js)	4m 0s
Javascript & Bigint (20.x, test-js)	4m 0s
Native w/ Torsion (macos-latest, 20.x)	58s
Native w/ Torsion (macos-latest, 20.x)	58s
Native (ubuntu-latest, 20.x)	1m 12s
Native (ubuntu-latest, 20.x)	1m 12s
Javascript & Bigint (20.x, test-bigint)	2m 15s
Javascript & Bigint (20.x, test-bigint)	2m 15s
Native w/ Torsion (ubuntu-latest, 18.x)	1m 11s
Native w/ Torsion (ubuntu-latest, 18.x)	1m 11s
Native w/ Torsion (ubuntu-latest, 20.x)	1m 8s
Native w/ Torsion (ubuntu-latest, 20.x)	1m 8s
	57m 9s

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