support portName in HTTPScaledObject service scaleTargetRef (#1174) #1260

Job	Run time
Generate ARM64 images for e2e tests	1m 26s
Execute e2e test on AMD64 v1.30	15m 39s
Execute e2e test on AMD64 v1.29	16m 28s
Execute e2e test on AMD64 v1.28	15m 32s
Execute e2e test on ARM64 v1.30	12m 49s
Execute e2e test on ARM64 v1.29	12m 58s
Execute e2e test on ARM64 v1.28	12m 56s
	1h 27m 48s

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