Update scala-parallel-collections to 1.2.0 #3202

Job	Run time
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / ci	22m 23s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Integration Tests	13m 3s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Formatting	1m 34s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / compile project with mill	5m 59s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Benchmarking Sanity Check	2m 41s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Standard Library (2.13.15)	4m 49s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Build Mdoc & Website	7m 31s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Test Scala-CLI Example / Build and Test	3m 1s
check tests	1s
all tests passed	1s
publish	0s
Deploy Website	0s
	1h 1m 3s

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