Bump rexml from 3.3.8 to 3.3.9

Bumps [rexml](https://github.com/ruby/rexml) from 3.3.8 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@v3.3.8...v3.3.9)

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

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

Gemfile.lock

@@ -138,6 +138,7 @@ GEM
     erubi (1.13.0)
     execjs (2.9.1)
     ffi (1.17.0-arm64-darwin)
+    ffi (1.17.0-x86_64-linux-gnu)
     globalid (1.2.1)
       activesupport (>= 6.1)
     goldiloader (5.3.1)
@@ -187,6 +188,8 @@ GEM
     nio4r (2.7.3)
     nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
+    nokogiri (1.16.7-x86_64-linux)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pdf-core (0.10.0)
     prawn (2.5.0)
@@ -256,7 +259,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.8)
+    rexml (3.3.9)
     rqrcode (2.2.0)
       chunky_png (~> 1.0)
       rqrcode_core (~> 1.0)
@@ -294,6 +297,7 @@ GEM
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
     sqlite3 (2.1.0-arm64-darwin)
+    sqlite3 (2.1.0-x86_64-linux-gnu)
     stringio (3.1.1)
     thor (1.3.2)
     tilt (2.4.0)
@@ -326,6 +330,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-23
+  x86_64-linux
 
 DEPENDENCIES
   active_scaffold!