Update munit, munit-scalacheck to 1.0.0-M11 #2053

Job	Run time
conformance	1m 28s
build (2_12, mima)	1m 8s
build (2_12, e2e)	4s
build (2_12, test)	1m 18s
build (2_13, mima)	1m 16s
build (2_13, e2e)	8s
build (2_13, test)	1m 16s
build (3, mima)	6s
build (3, e2e)	5s
build (3, test)	1m 13s
build (2_12, examples_and_formatting)	1m 35s
build (2_13, scala3_compat_test)	1m 33s
build (3, scala3_compat_test)	1m 22s
ci-passed	0s
	12m 32s

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