Improvement for flow-visibility e2e test #30112

Job	Run time
Verify docs and spelling	44s
Check whether tests need to be run based on diff	18s
Unit test (windows-2022)	13m 13s
Integration test	10m 22s
Golangci-lint (macos-latest)	5m 11s
Unit test (ubuntu-latest)	6m 15s
Build Antrea and antctl binaries	9m 36s
Go benchmark test	4m 32s
Golangci-lint (ubuntu-latest)	3m 50s
Check tidy, code generation and manifest	5m 35s
Build Antrea Windows binaries	1m 51s
	1h 1m 27s

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