Bump rexml from 3.2.8 to 3.3.3 in the bundler group

Bumps the bundler group with 1 update: [rexml](https://github.com/ruby/rexml).


Updates `rexml` from 3.2.8 to 3.3.3
- [Release notes](https://github.com/ruby/rexml/releases)
- [Changelog](https://github.com/ruby/rexml/blob/master/NEWS.md)
- [Commits](ruby/rexml@v3.2.8...v3.3.3)

---
updated-dependencies:
- dependency-name: rexml
  dependency-type: direct:production
  dependency-group: bundler
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -100,8 +100,8 @@ GEM
     rdoc (6.6.3.1)
       psych (>= 4.0.0)
     regexp_parser (2.8.3)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.3)
+      strscan
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)