Update to commit e4d38c2d74745ac1887aaaaba9f815f4f0d7822e

Author: docker-library-bot

devel/Dockerfile

@@ -1,8 +1,8 @@
 FROM alpine:3.12
 
 # https://git.savannah.gnu.org/cgit/bash.git/commit/?h=devel
-ENV _BASH_COMMIT 4d2700970a70cef98b157977ce40c4e0389cea44
-ENV _BASH_COMMIT_DESC commit bash-20200814 snapshot
+ENV _BASH_COMMIT e4d38c2d74745ac1887aaaaba9f815f4f0d7822e
+ENV _BASH_COMMIT_DESC commit bash-20200819 snapshot
 # prefixed with "_" since "$BASH..." have meaning in Bash parlance
 
 RUN set -eux; \