Bump rexml from 3.3.2 to 3.3.4 (#1111)

Bumps [rexml](https://github.com/ruby/rexml) from 3.3.2 to 3.3.4.
- [Release notes](https://github.com/ruby/rexml/releases)
- [Changelog](https://github.com/ruby/rexml/blob/master/NEWS.md)
- [Commits](ruby/rexml@v3.3.2...v3.3.4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -228,7 +228,7 @@ GEM
     regexp_parser (2.9.2)
     reline (0.5.9)
       io-console (~> 0.5)
-    rexml (3.3.2)
+    rexml (3.3.4)
       strscan
     rspec-core (3.13.0)
       rspec-support (~> 3.13.0)
@@ -456,7 +456,7 @@ CHECKSUMS
   rdoc (6.7.0) sha256=b17d5f0f57b0853d7b880d4360a32c7caf8dbb81f8503a36426df809e617f379
   regexp_parser (2.9.2) sha256=5a27e767ad634f8a4b544520d5cd28a0db7aa1198a5d7c9d7e11d7b3d9066446
   reline (0.5.9) sha256=5d2dd7ed0fd078e79a05e4eaa47dc91b8dacec7358e9e1dd6d9c4636cff7d378
-  rexml (3.3.2) sha256=4513686f858d0ff2e5a412d734c8a192e16cb1df4cb2063f56b72a8ad4c5257f
+  rexml (3.3.4) sha256=ea9176276a71f8475378299ec5f7257eaedd17d561a5d3dec0284a1467725b51
   rspec-core (3.13.0) sha256=557792b4e88da883d580342b263d9652b6a10a12d5bda9ef967b01a48f15454c
   rspec-expectations (3.13.1) sha256=814cf8dadc797b00be55a84d7bc390c082735e5c914e62cbe8d0e19774b74200
   rspec-mocks (3.13.1) sha256=087189899c337937bcf1d66a50dc3fc999ac88335bbeba4d385c2a38c87d7b38