Bump rexml from 3.2.8 to 3.3.9 (#889)

Bumps [rexml](https://github.com/ruby/rexml) from 3.2.8 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@v3.2.8...v3.3.9)

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

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

Gemfile.lock

@@ -93,8 +93,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.9)
     rouge (4.2.1)
     safe_yaml (1.0.5)
     sass-embedded (1.74.1-x64-mingw-ucrt)
@@ -103,7 +102,6 @@ GEM
       google-protobuf (>= 3.25, < 5.0)
     sass-embedded (1.74.1-x86_64-linux-gnu)
       google-protobuf (>= 3.25, < 5.0)
-    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     typhoeus (1.4.0)
@@ -113,7 +111,6 @@ GEM
     tzinfo-data (1.2023.3)
       tzinfo (>= 1.0.0)
     unicode-display_width (2.5.0)
-    wdm (0.1.1)
     webrick (1.8.1)
     yell (2.2.2)
 
@@ -134,7 +131,6 @@ DEPENDENCIES
   jekyll-seo-tag
   jekyll-sitemap
   tzinfo-data
-  wdm (~> 0.1.0)
   webrick
 
 RUBY VERSION