Build nimbus-eth2 docker image #432

Job	Run time
prepare	5s
deploy-validator (linux/amd64, self-hosted-ghr-size-l-x64, linux-amd64)	10m 49s
deploy-validator-minimal (linux/amd64, self-hosted-ghr-size-l-x64, linux-amd64)	10m 51s
deploy-validator (linux/arm64, self-hosted-ghr-size-l-arm64, linux-arm64)	15m 25s
deploy-beacon-minimal (linux/amd64, self-hosted-ghr-size-l-x64, linux-amd64)	13m 43s
deploy-validator-minimal (linux/arm64, self-hosted-ghr-size-l-arm64, linux-arm64)	15m 33s
deploy-beacon (linux/amd64, self-hosted-ghr-size-l-x64, linux-amd64)	13m 2s
deploy-beacon-minimal (linux/arm64, self-hosted-ghr-size-l-arm64, linux-arm64)	21m 59s
deploy-beacon (linux/arm64, self-hosted-ghr-size-l-arm64, linux-arm64)	24m 23s
manifest-validator	10s
manifest-validator-minimal	16s
manifest-beacon-minimal	10s
manifest-beacon	11s
Discord Notification	0s
	2h 6m 37s

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