Merge pull request #339 from citizensadvice/dependabot/bundler/rexml-3.4.2

[dependabot:bundler] bump rexml from 3.3.9 to 3.4.2

Author: cnorthwood

Gemfile.lock

@@ -295,7 +295,7 @@ GEM
     regexp_parser (2.11.2)
     reline (0.6.2)
       io-console (~> 0.5)
-    rexml (3.3.9)
+    rexml (3.4.2)
     rgeo (3.0.1)
     rgeo-activerecord (8.0.0)
       activerecord (>= 7.0)