Bump rexml from 3.3.2 to 3.3.3 (#255)

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

Author: dependabot[bot]

Gemfile.lock

@@ -456,7 +456,7 @@ GEM
       io-console (~> 0.5)
     request_store (1.7.0)
       rack (>= 1.4)
-    rexml (3.3.2)
+    rexml (3.3.3)
       strscan
     rouge (4.1.3)
     rspec-core (3.13.0)