build(deps): Bump zstandard from 0.11.1 to 0.12.0 in /backend (#173)

dependabot-preview[bot] · marco-c · commit fec55a3e2948 · 2019-09-16T20:09:29.000+02:00
Bumps [zstandard](https://github.com/indygreg/python-zstandard) from 0.11.1 to 0.12.0. - [Release notes](https://github.com/indygreg/python-zstandard/releases) - [Changelog](https://github.com/indygreg/python-zstandard/blob/master/NEWS.rst) - [Commits](indygreg/python-zstandard@0.11.1...0.12.0) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
diff --git a/backend/requirements.txt b/backend/requirements.txt
@@ -11,4 +11,4 @@ pytoml==0.1.21
 fakeredis==1.0.5
 redis==3.3.8
 swagger-ui-bundle==0.0.5
-zstandard==0.11.1
+zstandard==0.12.0
