Bump rexml from 3.3.6 to 3.3.9 in the bundler group

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


Updates `rexml` from 3.3.6 to 3.3.9
- [Release notes](https://github.com/ruby/rexml/releases)
- [Changelog](https://github.com/ruby/rexml/blob/master/NEWS.md)
- [Commits](ruby/rexml@v3.3.6...v3.3.9)

---
updated-dependencies:
- dependency-name: rexml
  dependency-type: indirect
  dependency-group: bundler
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -196,8 +196,7 @@ GEM
     redirect_safely (1.0.0)
       activemodel
     regexp_parser (2.9.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rubocop (1.62.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
@@ -242,7 +241,6 @@ GEM
     sqlite3 (1.7.3-arm64-darwin)
     sqlite3 (1.7.3-x86_64-darwin)
     sqlite3 (1.7.3-x86_64-linux)
-    strscan (3.1.0)
     syntax_tree (6.1.1)
       prettier_print (>= 1.2.0)
     thor (1.2.2)