feat(boojum): added flag to control prover selection at genesis #176

Job	Run time
Test changed-files	20s
Build core images / Build and Push Docker Images (server-v2)	16m 7s
Build core images / Build and Push Docker Images (external-node)	16m 15s
Build core images / Build and Push Docker Images (contract-verifier)	15m 40s
CI for Prover Components / unit-tests	16m 54s
Build core images / Build and Push Docker Images (cross-external-nodes-checker)	17m 4s
CI for Core Components / loadtest	17m 50s
CI for Core Components / lint	3m 28s
CI for Core Components / unit-tests	8m 32s
Build prover images / Get era-bellman-cuda release URLs.	2s
CI for Core Components / external-node	16m 59s
CI for Core Components / integration	12m 57s
Build prover images / Build and Push Docker Images (witness-generator)	2m 58s
Build prover images / Build and Push Docker Images (prover-v2)	3m 0s
Build prover images / Build and Push Docker Images (circuit-synthesizer)	2m 55s
Build prover images / Build and Push Docker Images (prover-fri)	3m 15s
Build prover images / Build and Push Docker Images (prover-gpu-fri)	2m 58s
Build prover images / Build and Push Docker Images (witness-vector-generator)	2m 47s
Build prover images / Build and Push Docker Images (prover-fri-gateway)	2m 58s
Build prover images / Build and Push Docker Images (proof-fri-compressor)	3m 9s
Github Status Check	1s
Notify on failures	4s
	2h 46m 13s

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