Bump nokogiri from 1.13.3 to 1.13.4

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.3 to 1.13.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/v1.13.4/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.13.3...v1.13.4)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: direct:production
...

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

Gemfile.lock

@@ -270,9 +270,9 @@ GEM
  net-ssh (6.1.0)
  netrc (0.11.0)
  nio4r (2.5.8)
- nokogiri (1.13.3-x86_64-darwin)
+ nokogiri (1.13.4-x86_64-darwin)
  racc (~> 1.4)
- nokogiri (1.13.3-x86_64-linux)
+ nokogiri (1.13.4-x86_64-linux)
  racc (~> 1.4)
  openid_connect (1.3.0)
  activemodel