feat: enable gateway hpa based on memory #2760

Job	Run time
build-cli	17s
build-cli	17s
build-odigos-images	4m 49s
build-odigos-images	4m 49s
kubernetes-test (1.23, multi-apps)	3m 56s
kubernetes-test (1.23, multi-apps)	3m 56s
kubernetes-test (1.23, helm-chart)	4m 11s
kubernetes-test (1.23, helm-chart)	4m 0s
kubernetes-test (1.23, fe-synthetic)	3m 41s
kubernetes-test (1.23, fe-synthetic)	3m 41s
kubernetes-test (1.23, cli-upgrade)	4m 27s
kubernetes-test (1.23, cli-upgrade)	4m 27s
kubernetes-test (1.23, workload-lifecycle)	8m 24s
kubernetes-test (1.23, workload-lifecycle)	8m 24s
kubernetes-test (1.30, multi-apps)	5m 30s
kubernetes-test (1.30, multi-apps)	5m 30s
kubernetes-test (1.30, helm-chart)	4m 28s
kubernetes-test (1.30, helm-chart)	4m 28s
kubernetes-test (1.30, fe-synthetic)	4m 32s
kubernetes-test (1.30, fe-synthetic)	4m 32s
kubernetes-test (1.30, cli-upgrade)	4m 16s
kubernetes-test (1.30, cli-upgrade)	4m 16s
kubernetes-test (1.30, workload-lifecycle)	9m 24s
kubernetes-test (1.30, workload-lifecycle)	9m 24s
	1h 55m 39s

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