Security update for dash

This update for dash fixes the following issues:

- Fixed an issue where code was executed even if noexec ("-n") was specified (bsc#1178978).

This update was imported from the SUSE:SLE-15:Update update project.

Fixed bugs
bnc#1178978
VUL-0: dash: executes code even when noexec ("-n") is specified
Selected Binaries
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