[WIP] Improve handling for parallel Scala CLI runs #9998

Job	Run time
jvm-tests-1	28m 5s
jvm-tests-2	28m 5s
generate-linux-launcher	9m 3s
generate-macos-launcher	1s
generate-macos-m1-launcher	1s
generate-mostly-static-launcher	7m 35s
generate-windows-launcher	16m 56s
jvm-tests-3	28m 4s
jvm-tests-4	28m 5s
jvm-tests-5	28m 7s
unit-tests	14m 0s
bloop-memory-footprint	16m 14s
checks	17m 8s
docs-tests	28m 4s
format	40s
generate-linux-arm64-native-launcher	0s
generate-static-launcher	7m 48s
test-hypothetical-sbt-export	26s
reference-doc	2m 12s
vc-redist	0s
native-mostly-static-tests-1	20m 24s
native-mostly-static-tests-2	20m 23s
native-mostly-static-tests-4	20m 23s
native-mostly-static-tests-3	20m 22s
native-mostly-static-tests-5	20m 23s
native-static-tests-1	20m 11s
native-static-tests-3	20m 9s
native-static-tests-2	20m 13s
native-static-tests-4	20m 10s
native-static-tests-5	20m 8s
native-linux-tests-4	18m 57s
native-linux-tests-2	18m 58s
native-linux-tests-1	18m 56s
native-linux-tests-3	18m 57s
native-linux-tests-5	18m 57s
native-windows-tests-1	10m 48s
native-windows-tests-3	10m 48s
native-windows-tests-4	10m 52s
native-windows-tests-5	10m 48s
native-windows-tests-2	10m 51s
native-macos-tests-1	1s
native-macos-tests-3	1s
native-macos-tests-2	1s
native-macos-tests-4	1s
native-macos-tests-5	1s
native-macos-m1-tests-1	1s
native-macos-m1-tests-2	1s
native-macos-m1-tests-3	1s
native-macos-m1-tests-4	1s
native-macos-m1-tests-5	1s
publish	1s
launchers	1s
Update packages	1s
Update Windows packages	1s
	10h 12m 26s

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