Fix L7 NetworkPolicy e2e test failure #30967

Job	Run time
Check whether tests need to be run based on diff	15s
Build Flow Aggregator image to be used for Kind e2e tests	3m 27s
Build Antrea image to be used for Kind e2e tests	10m 12s
E2e tests on a Kind cluster on Linux with all features enabled	59m 51s
E2e tests on a Kind cluster on Linux with non default values (proxyAll=true, LoadBalancerMode=DSR...	49m 49s
API compatible with client version N-1	9m 7s
E2e tests on a Kind cluster on Linux	49m 3s
E2e tests on a Kind cluster on Linux (hybrid)	40m 24s
E2e tests on a Kind cluster on Linux for Flow Visibility	29m 44s
NetworkPolicy conformance tests on a Kind cluster on Linux	8m 25s
Antrea-native (VLAN) secondary network tests on a Kind cluster on Linux	3m 0s
E2e tests on a Kind cluster on Linux (noEncap)	39m 55s
Upgrade from Antrea version N-1	9m 19s
Upgrade from Antrea version N-2	9m 10s
API compatible with client version N-2	9m 13s
Validate metrics in Prometheus document match running deployment's	2m 2s
Delete uploaded images	0s
	5h 32m 56s

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