Merge branch 'sh-bump-mime-types-data' into 'master'

Upgrade mime-types-data to 3.2019.0331

See merge request gitlab-org/gitlab-ce!29729

Gemfile.lock

@@ -499,7 +499,7 @@ GEM
     method_source (0.9.2)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2018.0812)
+    mime-types-data (3.2019.0331)
     mimemagic (0.3.2)
     mini_magick (4.8.0)
     mini_mime (1.0.1)

spec/controllers/concerns/send_file_upload_spec.rb

@@ -115,7 +115,7 @@ describe SendFileUpload do
 
         it 'sends a file with a custom type' do
           headers = double
-          expected_headers = /response-content-disposition=attachment%3B%20filename%3D%22test.js%22%3B%20filename%2A%3DUTF-8%27%27test.js&response-content-type=application%2Fecmascript/
+          expected_headers = /response-content-disposition=attachment%3B%20filename%3D%22test.js%22%3B%20filename%2A%3DUTF-8%27%27test.js&response-content-type=application%2Fjavascript/
           expect(Gitlab::Workhorse).to receive(:send_url).with(expected_headers).and_call_original
           expect(headers).to receive(:store).with(Gitlab::Workhorse::SEND_DATA_HEADER, /^send-url:/)