Merge pull request #562 from 3scale/depfu/update/rexml-3.4.4

🚨 [security] Update rexml 3.3.9 → 3.4.4 (minor)

Author: akostadinov

Gemfile.lock

@@ -283,7 +283,7 @@ GEM
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rexml (3.3.9)
+    rexml (3.4.4)
     rubocop (1.52.1)
       json (~> 2.3)
       parallel (~> 1.10)