Merge pull request #259 from ruby-i18n/dependabot/bundler/rexml-3.3.9

Bump rexml from 3.2.5 to 3.3.9

Author: movermeyer

Gemfile.lock

@@ -79,7 +79,7 @@ GEM
     regexp_parser (2.6.1)
     reline (0.3.3)
       io-console (~> 0.5)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rubocop (1.42.0)
       json (~> 2.3)
       parallel (~> 1.10)