Bump nokogiri from 1.13.8 to 1.13.9 (#2610)

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.8 to 1.13.9.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/compare/v1.13.8...v1.13.9)

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

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

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

Gemfile.lock

@@ -109,7 +109,7 @@ GEM
       net-protocol
     netrc (0.11.0)
     nio4r (2.5.8)
-    nokogiri (1.13.8-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     otr-activerecord (2.1.1)
       activerecord (>= 4.0, < 7.1)