feat(cli): support CLI completion (#2017) #343

Job	Run time
default-checks / fuzz	3m 31s
default-checks / build	1m 58s
default-checks / ibc-test	2m 26s
default-checks / test	5m 29s
default-checks / validate-internal-testnet-genesis	1m 58s
default-checks / test-e2e-evm	3m 22s
default-checks / validate-protonet-genesis	1m 59s
lint-checks / golangci-lint	2m 13s
lint-checks / e2e-evm-lint	19s
rosetta / test	2s
lint-checks / proto-lint / Check Proto	45s
publish-internal	10m 8s
docker / docker-rocksdb	29m 26s
docker / docker-goleveldb	4m 18s
post-pipeline-metrics / metric-pipeline-result	5s
	1h 7m 59s

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