feat: Exposes GraphInterpreter when initing the stages. #1716

Job	Run time
Compile (testkit/Test/compile actor-tests/Test/compile)	3m 20s
Compile (actor-testkit-typed/Test/compile actor-typed-tests/Test/compile)	2m 57s
Compile (bench-jmh/Test/compile)	4m 54s
Compile (cluster/Test/compile cluster-tools/Test/compile cluster-typed/Test/compile distributed-d...	6m 5s
Compile (discovery/Test/compile coordination/Test/compile)	3m 4s
Compile (persistence/Test/compile persistence-shared/Test/compile persistence-query/Test/compile ...	6m 15s
Compile (pki/Test/compile slf4j/Test/compile)	2m 30s
Compile (serialization-jackson/Test/compile)	4m 4s
Compile (stream/Test/compile stream-testkit/Test/compile stream-tests/Test/compile stream-typed/T...	5m 27s
Compile (stream-tests-tck/Test/compile)	3m 12s
Compile (remote/Test/compile remote-tests/Test/compile protobuf-v3/Test/compile)	4m 49s
	46m 37s

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