Bump rexml from 3.2.9 to 3.3.0

Bumps [rexml](https://github.com/ruby/rexml) from 3.2.9 to 3.3.0.
- [Release notes](https://github.com/ruby/rexml/releases)
- [Changelog](https://github.com/ruby/rexml/blob/master/NEWS.md)
- [Commits](ruby/rexml@v3.2.9...v3.3.0)

---
updated-dependencies:
- dependency-name: rexml
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -258,7 +258,7 @@ GEM
       connection_pool
     reline (0.5.8)
       io-console (~> 0.5)
-    rexml (3.2.9)
+    rexml (3.3.0)
       strscan
     rswag-api (2.13.0)
       activesupport (>= 3.1, < 7.2)