Bump django to 1.11.20 (census-instrumentation#500)

c24t · web-flow · commit 0693e66bfe6b · 2019-02-26T18:02:06.000-08:00
diff --git a/requirements-test.txt b/requirements-test.txt
@@ -1,4 +1,4 @@
-Django==1.11.18
+Django==1.11.20
 Flask==0.12.3
 google-cloud-monitoring==0.31.0
 google-cloud-trace==0.20.1
