bump mini_magick

Gemfile

@@ -71,7 +71,7 @@ gem "activerecord-import", "0.10.0"
 
 gem "carrierwave", "0.10.0"
 gem "fog",         "1.34.0"
-gem "mini_magick", "4.3.3"
+gem "mini_magick", "4.3.6"
 gem "remotipart",  "1.2.1"
 
 # GUID generation

Gemfile.lock

@@ -431,7 +431,7 @@ GEM
     messagebus_ruby_api (1.0.3)
     method_source (0.8.2)
     mime-types (2.6.2)
-    mini_magick (4.3.3)
+    mini_magick (4.3.6)
     mini_portile (0.6.2)
     minitest (5.8.1)
     mobile-fu (1.3.1)
@@ -807,7 +807,7 @@ DEPENDENCIES
   logging-rails (= 0.5.0)
   markerb (= 1.1.0)
   messagebus_ruby_api (= 1.0.3)
-  mini_magick (= 4.3.3)
+  mini_magick (= 4.3.6)
   minitest
   mobile-fu (= 1.3.1)
   mysql2 (= 0.3.20)