Update sbt-scalajs, scalajs-compiler, ... to 1.18.2 (#1807) #2408

Job	Run time
conformance	2m 9s
build (2_12, e2e)	3m 44s
build (2_12, test)	10m 14s
build (2_13, e2e)	4m 13s
build (2_13, test)	12m 55s
build (3, e2e)	4m 47s
build (3, test)	10m 28s
build (2_12, examples_and_formatting)	3m 19s
build (2_13, scala3_compat_test)	9m 34s
build (3, scala3_compat_test)	9m 54s
ci-passed	1s
	1h 11m 18s

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