Fixes the following security issue:
386: Prevents arbitrary code execution during python/object/new
constructor
https://github.com/yaml/pyyaml/pull/386
The hash of the license file changed due to the following diff:
-Copyright (c) 2017-2019 Ingy döt Net
+Copyright (c) 2017-2020 Ingy döt Net
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 9063df44da)
[Peter: mention security impact]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>