Add release notes for Scala CLI v1.5.1 #9415

Job	Run time
jvm-tests-3	9m 51s
jvm-tests-2	9m 49s
jvm-tests-1	9m 51s
jvm-tests-4	9m 52s
jvm-tests-5	9m 52s
unit-tests	9m 53s
checks	9m 52s
docs-tests	9m 53s
generate-linux-arm64-native-launcher	0s
generate-linux-launcher	8m 56s
generate-macos-launcher	1s
generate-macos-m1-launcher	1s
generate-static-launcher	7m 37s
generate-mostly-static-launcher	7m 19s
generate-windows-launcher	9m 48s
bloop-memory-footprint	9m 50s
format	37s
reference-doc	2m 7s
test-hypothetical-sbt-export	26s
vc-redist	0s
native-mostly-static-tests-4	2m 21s
native-mostly-static-tests-3	2m 22s
native-mostly-static-tests-1	2m 21s
native-mostly-static-tests-2	2m 22s
native-mostly-static-tests-5	2m 24s
native-static-tests-2	2m 6s
native-static-tests-3	2m 6s
native-static-tests-5	2m 5s
native-static-tests-1	2m 6s
native-static-tests-4	2m 5s
native-linux-tests-4	45s
native-linux-tests-2	44s
native-linux-tests-3	43s
native-linux-tests-1	44s
native-linux-tests-5	42s
native-macos-tests-3	1s
native-macos-tests-2	1s
native-macos-tests-1	1s
native-macos-tests-5	1s
native-macos-tests-4	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
native-windows-tests-2	1s
native-windows-tests-1	1s
native-windows-tests-3	1s
native-windows-tests-4	1s
native-windows-tests-5	1s
publish	1s
launchers	1s
Update Windows packages	1s
Update packages	1s
	2h 31m 50s

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