Bump rubocop-rails from 2.25.0 to 2.26.0

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.25.0 to 2.26.0.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.25.0...v2.26.0)

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

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

Gemfile.lock

@@ -205,8 +205,8 @@ GEM
     omniauth-rails_csrf_protection (1.0.2)
       actionpack (>= 4.2)
       omniauth (~> 2.0)
-    parallel (1.25.1)
-    parser (3.3.4.0)
+    parallel (1.26.3)
+    parser (3.3.4.2)
       ast (~> 2.4.1)
       racc
     pg (1.5.7)
@@ -310,7 +310,7 @@ GEM
       rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.32.0)
+    rubocop-ast (1.32.1)
       parser (>= 3.3.1.0)
     rubocop-capybara (2.21.0)
       rubocop (~> 1.41)
@@ -319,10 +319,10 @@ GEM
     rubocop-performance (1.21.1)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
-    rubocop-rails (2.25.0)
+    rubocop-rails (2.26.0)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
-      rubocop (>= 1.33.0, < 2.0)
+      rubocop (>= 1.52.0, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rspec (3.0.4)
       rubocop (~> 1.61)