Merge pull request #141 from simplecov-ruby/dependabot/bundler/rexml-3.3.6

Bump rexml from 3.3.3 to 3.3.6

Author: amatsuda

Gemfile.lock

@@ -33,7 +33,7 @@ GEM
     rainbow (3.1.1)
     rake (13.1.0)
     regexp_parser (2.8.3)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rubocop (1.59.0)
       json (~> 2.3)