Suppress new warnings from shellcheck v0.11.0 (#4207)

Shellcheck v0.11.0 added new warnings which raise false positive on the trap
function in the OTA hook script. Suppress also that warning.

Author: sairon

buildroot-external/ota/rauc-hook

@@ -2,7 +2,7 @@
 
 set -o errexit
 
-# shellcheck disable=SC2317  # Being usesd in trap which shellcheck can't follow
+# shellcheck disable=SC2317,SC2329  # Being usesd in trap which shellcheck can't follow
 cleanup_boot() {
     umount "${BOOT_NEW}"
     rm -rf "${BOOT_TMP}" "${BOOT_NEW}"