Merge pull request #798 from ducksecops/master

update GOSU to 1.14

Author: tianon

5.6/Dockerfile.debian

@@ -7,7 +7,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends gnupg dirmngr &
 
 # add gosu for easy step-down from root
 # https://github.com/tianon/gosu/releases
-ENV GOSU_VERSION 1.12
+ENV GOSU_VERSION 1.14
 RUN set -eux; \
 	savedAptMark="$(apt-mark showmanual)"; \
 	apt-get update; \