Build nimbus-eth2 docker image #475

Job	Run time
prepare	5s
deploy-validator (linux/amd64, self-hosted-ghr-size-l-x64, linux-amd64)	1s
deploy-validator-minimal (linux/amd64, self-hosted-ghr-size-l-x64, linux-amd64)	1s
deploy-validator (linux/arm64, self-hosted-ghr-size-l-arm64, linux-arm64)	1s
deploy-beacon (linux/amd64, self-hosted-ghr-size-l-x64, linux-amd64)	1m 23s
deploy-beacon-minimal (linux/amd64, self-hosted-ghr-size-l-x64, linux-amd64)	1m 24s
deploy-validator-minimal (linux/arm64, self-hosted-ghr-size-l-arm64, linux-arm64)	1s
deploy-beacon (linux/arm64, self-hosted-ghr-size-l-arm64, linux-arm64)	1m 20s
deploy-beacon-minimal (linux/arm64, self-hosted-ghr-size-l-arm64, linux-arm64)	1m 20s
manifest-validator	1s
manifest-validator-minimal	1s
manifest-beacon	1s
manifest-beacon-minimal	1s
Discord Notification	1s
	5m 41s

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