Fix PacketCapture pcapng file issue on macOS #31740

Job	Run time
Compute outputs for use by other jobs	20s
build-antrea-migrator	16s
build-antrea-mc-controller	3m 20s
build (linux/amd64, ubuntu-latest, amd64)	2m 41s
build (linux/arm64, github-arm64-2c-8gb, arm64)	4m 32s
build-flow-aggregator	2m 15s
build-scale	2m 2s
build (linux/arm/v7, github-arm64-2c-8gb, arm)	5m 51s
build-ubi	7m 54s
build-windows	2m 40s
push-manifest	0s
	31m 51s

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