Merge pull request #861 from Shopify/dependabot/bundler/rexml-3.2.5

Bump rexml from 3.2.4 to 3.2.5

Gemfile.lock

@@ -99,7 +99,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (1.8.2)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rouge (3.19.0)
     rubocop (0.93.1)
       parallel (~> 1.10)