Update mime-types-data to 3.2018.0812

Signed-off-by: Kristofer Rye <[email protected]>
Tested-by: Kristofer Rye <[email protected]>

Author: rye

Gemfile.lock

@@ -97,7 +97,7 @@ GEM
     memoist (0.16.0)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2018.0812)
     mini_magick (4.5.1)
     multi_json (1.13.1)
     multi_xml (0.6.0)