cleanup: avoid including libscap/strl.h in connect_x #2134

Job	Run time
build-test-e2e-amd64 😇 (bundled_deps)	13m 45s
build-test-e2e-arm64 😇 (bundled_deps)	27m 37s
test-e2e-amd64-kmod 😇 (bundled_deps)	9m 20s
test-e2e-amd64-bpf 😇 (bundled_deps)	11m 11s
test-e2e-amd64-modern-bpf 😇 (bundled_deps)	11m 10s
test-e2e-arm64-kmod 😇 (bundled_deps)	15m 19s
test-e2e-arm64-bpf 😇 (bundled_deps)	18m 1s
test-e2e-arm64-modern-bpf 😇 (bundled_deps)	6h 0m 12s
	7h 46m 35s

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