Merge pull request #9226 from TechEmpower/dependabot/bundler/frameworks/Ruby/rack/rexml-3.3.6

Bump rexml from 3.3.3 to 3.3.6 in /frameworks/Ruby/rack

frameworks/Ruby/rack/Gemfile.lock

@@ -86,7 +86,7 @@ GEM
     rainbow (3.1.1)
     raindrops (0.20.1)
     regexp_parser (2.9.2)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rubocop (1.64.1)
       json (~> 2.3)