Improvement for flow-visibility e2e test #30109

Job	Run time
Check whether tests need to be run based on diff	20s
Verify docs and spelling	41s
Unit test (ubuntu-latest)	5m 19s
Unit test (windows-2022)	5m 3s
Integration test	5m 19s
Build Antrea and antctl binaries	5m 19s
Golangci-lint (macos-latest)	5m 3s
Golangci-lint (ubuntu-latest)	5m 24s
Check tidy, code generation and manifest	5m 18s
Build Antrea Windows binaries	1m 52s
Go benchmark test	4m 25s
	44m 3s

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