chore(deps-dev): bump rexml in /src/fastlane/release_actions

Bumps [rexml](https://github.com/ruby/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
...

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

src/fastlane/release_actions/Gemfile.lock

@@ -190,8 +190,7 @@ GEM
       trailblazer-option (>= 0.1.1, < 0.2.0)
       uber (< 0.2.0)
     retriable (3.1.2)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (2.0.7)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
@@ -235,7 +234,6 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    strscan (3.1.0)
     terminal-notifier (2.0.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)