Merge pull request #6364 from galaxyproject/dependabot/bundler/rexml-3.4.2

Bump rexml from 3.3.9 to 3.4.2

Author: shiltemann

Gemfile.lock

@@ -128,7 +128,7 @@ GEM
       ffi (~> 1.0)
     rdoc (6.9.1)
       psych (>= 4.0.0)
-    rexml (3.3.9)
+    rexml (3.4.2)
     rorvswild_theme_rdoc (0.2)
     rouge (4.1.3)
     ruby-rc4 (0.1.5)