Bump rexml from 3.2.6 to 3.2.8

Bumps [rexml](https://github.com/ruby/rexml) from 3.2.6 to 3.2.8.
- [Release notes](https://github.com/ruby/rexml/releases)
- [Changelog](https://github.com/ruby/rexml/blob/master/NEWS.md)
- [Commits](https://github.com/ruby/rexml/compare/v3.2.6...v3.2.8

)

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

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

Gemfile.lock

@@ -205,7 +205,8 @@ GEM
     regexp_parser (2.9.0)
     reline (0.5.0)
       io-console (~> 0.5)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rubyzip (2.3.2)
     selenium-webdriver (4.19.0)
       base64 (~> 0.2)
@@ -229,6 +230,7 @@ GEM
     sqlite3 (1.7.3-arm64-darwin)
     sqlite3 (1.7.3-x86_64-linux)
     stringio (3.1.0)
+    strscan (3.1.0)
     tailwindcss-rails (2.6.0-aarch64-linux)
       railties (>= 7.0.0)
     tailwindcss-rails (2.6.0-arm64-darwin)