Fix PacketCapture pcapng file issue on macOS #34828

Job	Run time
Check whether tests need to be run based on diff	19s
Check whether tests need to be run based on diff	19s
Verify docs and spelling	43s
Verify docs and spelling	28s
Go benchmark test	5m 19s
Go benchmark test	5m 19s
Build Antrea and antctl binaries	13m 11s
Build Antrea and antctl binaries	13m 11s
Golangci-lint (macos-latest)	5m 20s
Golangci-lint (macos-latest)	5m 20s
Golangci-lint (ubuntu-latest)	9m 17s
Golangci-lint (ubuntu-latest)	9m 17s
Integration test	6m 0s
Integration test	6m 0s
Unit test (ubuntu-latest)	8m 2s
Unit test (ubuntu-latest)	8m 2s
Unit test (windows-2022)	16m 42s
Unit test (windows-2022)	16m 42s
Check tidy, code generation and manifest	4m 15s
Check tidy, code generation and manifest	4m 15s
Build Antrea Windows binaries	2m 12s
Build Antrea Windows binaries	2m 12s
	2h 22m 25s

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