Use unified Heroku buildpack output style #951

Job	Run time
Rust Code Linting	30s
Unit Tests	59s
Integration Tests (buildpacks/gradle, builder:24, amd64)	4m 33s
Integration Tests (buildpacks/jvm, builder:24, amd64)	2m 47s
Integration Tests (buildpacks/maven, builder:24, amd64)	3m 44s
Integration Tests (buildpacks/sbt, builder:24, amd64)	6m 21s
Integration Tests (buildpacks/gradle, builder:24, arm64)	5m 1s
Integration Tests (buildpacks/jvm, builder:24, arm64)	2m 29s
Integration Tests (buildpacks/maven, builder:24, arm64)	6m 26s
Integration Tests (buildpacks/sbt, builder:24, arm64)	7m 19s
Integration Tests (buildpacks/gradle, builder:22, amd64)	4m 15s
Integration Tests (buildpacks/jvm, builder:22, amd64)	2m 39s
Integration Tests (buildpacks/jvm-function-invoker, builder:22, amd64)	2m 52s
Integration Tests (buildpacks/maven, builder:22, amd64)	4m 12s
Integration Tests (buildpacks/sbt, builder:22, amd64)	5m 54s
Integration Tests (buildpacks/gradle, builder:20, amd64)	3m 30s
Integration Tests (buildpacks/jvm, builder:20, amd64)	1m 54s
Integration Tests (buildpacks/maven, builder:20, amd64)	3m 53s
Integration Tests (buildpacks/sbt, builder:20, amd64)	5m 58s
	1h 15m 16s

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