Merge pull request #479 from apache/dependabot/bundler/wayang-docs/src/main/resources/rexml-3.3.9

Bump rexml from 3.2.5 to 3.3.9 in /wayang-docs/src/main/resources

Author: novatechflow

wayang-docs/src/main/resources/Gemfile.lock

@@ -58,7 +58,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rouge (3.26.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)