WIP: feature: Support NIR file decoding #11122

Job	Run time
windows-latest jdk-17 unit tests 1 / 2	23m 20s
windows-latest jdk-17 unit tests 2 / 2	25m 1s
macOS-latest jdk-17 unit tests 1 / 2	28m 19s
macOS-latest jdk-17 unit tests 2 / 2	23m 2s
ubuntu-latest jdk-17 unit tests 1 / 2	20m 14s
ubuntu-latest jdk-17 unit tests 2 / 2	18m 30s
ubuntu-latest jdk-8 unit tests 1 / 2	19m 38s
ubuntu-latest jdk-8 unit tests 2 / 2	20m 15s
Gradle MacOS integration	17m 30s
Sbt integration	1h 3m 30s
Maven integration	10m 45s
Gradle integration	10m 53s
Scala CLI integration	22m 44s
Mill integration	18m 1s
LSP integration tests	33m 0s
Scala cross tests	59m 44s
Formatting	52s
Scalafix and docs	9m 21s
Sbt-metals/scripted jdk8	1m 41s
Scala javapc tests	1m 54s
Scala3 latest NIGHTLY cross test	3m 34s
MiMa	48s
	7h 12m 36s

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