Merge pull request #66 from ReDI-School/dependabot/bundler/rexml-3.3.9

Bump rexml from 3.2.5 to 3.3.9

Author: weekmo

Gemfile.lock

@@ -239,7 +239,7 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rouge (3.26.0)
     ruby-enum (0.9.0)
       i18n