PoC of system tests pipeline on GitHub Actions #215

Job	Run time
parse-params	12s
build-artifacts	7m 8s
build-images (amd64)	15m 23s
build-images (arm64)	13m 7s
run / generate-matrix	11s
run / regression-brokers-and-security-amd64	32m 37s
run / upgrade-azp_kraft_upgrade-arm64	32m 33s
run / regression-operands-arm64	32m 34s
run / regression-operators-amd64	31m 29s
run / regression-brokers-and-security-arm64	31m 25s
run / upgrade-azp_kafka_upgrade-amd64	32m 43s
run / regression-operands-amd64	5m 51s
run / upgrade-azp_kraft_upgrade-amd64	31m 36s
run / upgrade-azp_kafka_upgrade-arm64	31m 30s
run / regression-operators-arm64	31m 30s
	5h 29m 49s

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