build(deps-dev): Bump rubocop-rails from 2.26.0 to 2.26.1 (#252)

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.26.0 to 2.26.1.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.26.0...v2.26.1)

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

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

Gemfile.lock

@@ -258,7 +258,7 @@ GEM
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.32.3)
       parser (>= 3.3.1.0)
-    rubocop-rails (2.26.0)
+    rubocop-rails (2.26.1)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.52.0, < 2.0)