test: silence SC2329 for trap-invoked cleanup() in TEST-17-UDEV.sanity-check

cleanup() is only called via 'trap cleanup EXIT', which newer shellcheck
versions report as SC2329 rather than SC2317. Disable both, like the other
test scripts do.

test/units/TEST-17-UDEV.sanity-check.sh

@@ -8,7 +8,7 @@ set -o pipefail
 
 # Coverage test for udevadm
 
-# shellcheck disable=SC2317
+# shellcheck disable=SC2317,SC2329
 cleanup() {
     set +e