Bump mime-types-data from 3.2020.0425 to 3.2020.0512 (#13783)

Bumps [mime-types-data](https://github.com/mime-types/mime-types-data) from 3.2020.0425 to 3.2020.0512.
- [Release notes](https://github.com/mime-types/mime-types-data/releases)
- [Changelog](https://github.com/mime-types/mime-types-data/blob/master/History.md)
- [Commits](https://github.com/mime-types/mime-types-data/compare/v3.2020.0425...v3.2020.0512)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -358,7 +358,7 @@ GEM
       nokogiri (~> 1.10)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2020.0425)
+    mime-types-data (3.2020.0512)
     mimemagic (0.3.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)