Merge pull request #2436 from onevcat/dependabot/bundler/rexml-3.4.2

Bump rexml from 3.4.1 to 3.4.2

Gemfile.lock

@@ -248,7 +248,7 @@ GEM
       trailblazer-option (>= 0.1.1, < 0.2.0)
       uber (< 0.2.0)
     retriable (3.1.2)
-    rexml (3.4.1)
+    rexml (3.4.2)
     rouge (3.28.0)
     ruby-macho (2.5.1)
     ruby2_keywords (0.0.5)