Bump rexml from 3.3.9 to 3.4.2 in /example

Bumps [rexml](https://github.com/ruby/rexml) from 3.3.9 to 3.4.2.
- [Release notes](https://github.com/ruby/rexml/releases)
- [Changelog](https://github.com/ruby/rexml/blob/master/NEWS.md)
- [Commits](ruby/rexml@v3.3.9...v3.4.2)

---
updated-dependencies:
- dependency-name: rexml
  dependency-version: 3.4.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

example/Gemfile

@@ -5,4 +5,4 @@ gem 'cocoapods', '>= 1.13', '!= 1.15.0', '!= 1.15.1'
 gem 'activesupport', '>= 6.1.7.5', '!= 7.1.0'
 gem 'xcodeproj', '< 1.26.0'
 gem 'concurrent-ruby', '< 1.3.4'
-gem 'rexml', '3.3.9'
+gem 'rexml', '3.4.2'

example/Gemfile.lock

@@ -75,7 +75,7 @@ GEM
     netrc (0.11.0)
     nkf (0.2.0)
     public_suffix (4.0.7)
-    rexml (3.3.9)
+    rexml (3.4.2)
     ruby-macho (2.5.1)
     typhoeus (1.4.1)
       ethon (>= 0.9.0)
@@ -96,7 +96,7 @@ DEPENDENCIES
   activesupport (>= 6.1.7.5, != 7.1.0)
   cocoapods (>= 1.13, != 1.15.1, != 1.15.0)
   concurrent-ruby (< 1.3.4)
-  rexml (= 3.3.9)
+  rexml (= 3.4.2)
   xcodeproj (< 1.26.0)
 
 BUNDLED WITH