Updated to Django==1.11.27.

Author: felixxm

requirements.txt

@@ -4,7 +4,7 @@ dnspython==1.15
 spambayes == 1.1b1
 psycopg2-binary==2.7.6.1
 docutils==0.14
-Django==1.11.23
+Django==1.11.27
 libsass==0.17.0
 
 # Trac plugins