Add srcPodIP field in Traceflow observations #32384

Job	Run time
Check whether tests need to be run based on diff	17s
Verify docs and spelling	52s
Unit test (ubuntu-latest)	6m 32s
Golangci-lint (ubuntu-latest)	7m 51s
Golangci-lint (macos-latest)	6m 48s
Build Antrea and antctl binaries	9m 59s
Integration test	10m 17s
Unit test (windows-2022)	14m 36s
Check tidy, code generation and manifest	5m 21s
Build Antrea Windows binaries	1m 52s
Go benchmark test	4m 49s
	1h 9m 14s

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