Use unified Heroku buildpack output style #981

Job	Run time
Rust Code Linting	38s
Unit Tests	29s
Integration Tests (buildpacks/gradle, builder:24, amd64)	3m 31s
Integration Tests (buildpacks/jvm, builder:24, amd64)	2m 57s
Integration Tests (buildpacks/maven, builder:24, amd64)	4m 17s
Integration Tests (buildpacks/sbt, builder:24, amd64)	6m 30s
Integration Tests (buildpacks/gradle, builder:24, arm64)	4m 25s
Integration Tests (buildpacks/jvm, builder:24, arm64)	1m 40s
Integration Tests (buildpacks/maven, builder:24, arm64)	5m 57s
Integration Tests (buildpacks/sbt, builder:24, arm64)	8m 9s
Integration Tests (buildpacks/gradle, builder:22, amd64)	4m 46s
Integration Tests (buildpacks/jvm, builder:22, amd64)	2m 46s
Integration Tests (buildpacks/jvm-function-invoker, builder:22, amd64)	3m 14s
Integration Tests (buildpacks/maven, builder:22, amd64)	4m 4s
Integration Tests (buildpacks/sbt, builder:22, amd64)	6m 16s
Integration Tests (buildpacks/gradle, builder:20, amd64)	4m 15s
Integration Tests (buildpacks/jvm, builder:20, amd64)	2m 59s
Integration Tests (buildpacks/maven, builder:20, amd64)	4m 26s
Integration Tests (buildpacks/sbt, builder:20, amd64)	6m 31s
	1h 17m 50s

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