Update actionpack and related Ruby gems

This fixes CVE-2022-23633, but this is likely not an issue with Gitaly since Gitaly doesn't serve HTTP requests with Rails.

• Diff: https://github.com/rails/rails/compare/v6.1.4.4...v6.1.4.6

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/352659

GitLab Rails MR: gitlab!80579 (merged)