build(deps): bump rails in /gemfiles/rails-main

Bumps [rails](https://github.com/rails/rails) from `fe81d66` to `cf26c54`.
- [Release notes](https://github.com/rails/rails/releases)
- [Commits](rails/rails@fe81d66...cf26c54)

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

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

Author: dependabot[bot]

gemfiles/rails-main/Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/rails/rails.git
-  revision: fe81d667a78719d5b8f7e95085cbb7aa937698c3
+  revision: cf26c5482924babca573e6c01594d77e3321ae58
   branch: main
   specs:
     actioncable (7.2.0.alpha)