CGO

Fix empty firewall allowlist in Codex external detection job (gh-aw-detection) #13599

Job	Run time
validate-yaml	13s
Check validator file sizes	16s
safe-outputs-conformance	23s
build-wasm	1m 32s
build	2m 28s
lint-go	3m 22s
test	2m 21s
security	1m 7s
impacted-go-tests	2m 52s
Alpine Container Test	1m 31s
mcp-server-compile-test	32s
Build & Test on windows-latest	1m 59s
actions-build	36s
Build & Test on macos-latest	51s
fuzz	0s
bench	-7s
Security Scan: ${{ matrix.tool.name }}	-9s
canary-go	1m 44s
Notify on CGO Failure	0s
	21m 31s

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