improvement: deduplicate reports #14425

Job	Run time
windows-latest jdk-17 unit tests 1 / 2	29m 50s
windows-latest jdk-17 unit tests 2 / 2	29m 34s
macOS-latest jdk-17 unit tests 1 / 2	1h 7m 14s
Gradle MacOS integration	9m 39s
macOS-latest jdk-17 unit tests 2 / 2	53m 50s
Sbt integration	50m 13s
ubuntu-latest jdk-17 unit tests 1 / 2	19m 17s
Maven integration	10m 20s
ubuntu-latest jdk-17 unit tests 2 / 2	16m 40s
Gradle integration	11m 4s
Scala CLI integration	16m 53s
Mill integration	33m 37s
Bazel integration	13m 9s
LSP integration tests	35m 8s
Scala cross tests	36m 44s
Formatting	30s
Scalafix and docs	4m 36s
Sbt-metals/scripted jdk11	2m 48s
Scala javapc tests	1m 38s
Scala 2.11 cross tests	4m 2s
MiMa	43s
	7h 27m 29s

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