Upgrade to mimemagic-0.3.7

Previous versions have been yanked.

Author: barrucadu

Gemfile.lock

@@ -174,7 +174,8 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2021.0225)
-    mimemagic (0.3.6)
+    mimemagic (0.3.7)
+      nokogiri (~> 1.11.2)
     mini_magick (4.10.1)
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)