Improvement for flow-visibility e2e test #30169

Job	Run time
Verify docs and spelling	28s
Check whether tests need to be run based on diff	20s
Golangci-lint (macos-latest)	9m 21s
Build Antrea and antctl binaries	9m 55s
Golangci-lint (ubuntu-latest)	7m 24s
Integration test	10m 10s
Unit test (ubuntu-latest)	6m 9s
Unit test (windows-2022)	10m 49s
Go benchmark test	4m 30s
Check tidy, code generation and manifest	5m 32s
Build Antrea Windows binaries	1m 53s
	1h 6m 31s

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