Update coursier to 2.1.16 (#1762) #2311

Job	Run time
build (2_12, e2e)	3m 34s
conformance	1m 58s
build (2_12, test)	13m 15s
build (2_13, e2e)	4m 6s
build (2_13, test)	12m 11s
build (3, e2e)	4m 24s
build (3, test)	11m 30s
build (2_12, examples_and_formatting)	2m 43s
build (2_13, scala3_compat_test)	8m 27s
build (3, scala3_compat_test)	7m 26s
ci-passed	1s
	1h 9m 35s

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