Bump rubocop-rails from 2.22.1 to 2.22.2 (#512)

* Bump rubocop-rails from 2.22.1 to 2.22.2

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.22.1 to 2.22.2.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.22.1...v2.22.2)

---
updated-dependencies:
- dependency-name: rubocop-rails
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update gemset.nix

---------

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

Gemfile.lock

@@ -249,10 +249,11 @@ GEM
       rubocop (~> 1.33)
     rubocop-minitest (0.33.0)
       rubocop (>= 1.39, < 2.0)
-    rubocop-rails (2.22.1)
+    rubocop-rails (2.22.2)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
     ruby-progressbar (1.13.0)
     ruby-vips (2.1.4)
       ffi (~> 1.12)