fix: Warning missing lexical-binding cookie #15

Job	Run time
test (macos-latest, 30.1, false)	13m 18s
test (ubuntu-latest, 30.1, false)	5m 42s
test (ubuntu-latest, 27.2, false)	36s
test (ubuntu-latest, 28.2, false)	36s
test (ubuntu-latest, 26.3, false)	43s
test (macos-latest, 28.2, false)	2m 22s
test (macos-latest, 29.4, false)	12m 49s
test (ubuntu-latest, 29.4, false)	3m 53s
test (windows-latest, 28.2, false)	9m 53s
test (windows-latest, 26.3, false)	50m 14s
test (windows-latest, 27.2, false)	28m 25s
test (windows-latest, 30.1, false)	14m 31s
test (windows-latest, 29.4, false)	14m 19s
test (macos-latest, snapshot, true)	2m 25s
test (ubuntu-latest, snapshot, true)	32s
test (windows-latest, snapshot, true)	14m 52s
	2h 55m 10s

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