Enable Pod network after realizing initial NetworkPolicies #30135

Job	Run time
Check whether tests need to be run based on diff	16s
Verify docs and spelling	27s
Integration test	10m 33s
Unit test (ubuntu-latest)	6m 11s
Golangci-lint (macos-latest)	10m 3s
Unit test (windows-2022)	10m 11s
Go benchmark test	4m 24s
Build Antrea and antctl binaries	9m 38s
Golangci-lint (ubuntu-latest)	7m 22s
Check tidy, code generation and manifest	5m 28s
Build Antrea Windows binaries	1m 48s
	1h 6m 21s

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