Bump rubocop-rails_config from 0.9.0 to 0.9.1 (#115)

Bumps [rubocop-rails_config](https://github.com/toshimaru/rubocop-rails_config) from 0.9.0 to 0.9.1.
- [Release notes](https://github.com/toshimaru/rubocop-rails_config/releases)
- [Changelog](https://github.com/toshimaru/rubocop-rails_config/blob/master/CHANGELOG.md)
- [Commits](toshimaru/rubocop-rails_config@v0.9.0...v0.9.1)

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

Gemfile.lock

@@ -111,7 +111,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     parallel (1.19.1)
-    parser (2.6.5.0)
+    parser (2.7.0.2)
       ast (~> 2.4.0)
     pg (1.2.2)
     pry (0.12.2)
@@ -178,19 +178,19 @@ GEM
       rspec-mocks (~> 3.9.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.0)
-    rubocop (0.78.0)
+    rubocop (0.79.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
-      parser (>= 2.6)
+      parser (>= 2.7.0.1)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 1.7)
     rubocop-performance (1.5.2)
       rubocop (>= 0.71.0)
-    rubocop-rails (2.4.0)
+    rubocop-rails (2.4.2)
       rack (>= 1.1)
       rubocop (>= 0.72.0)
-    rubocop-rails_config (0.9.0)
+    rubocop-rails_config (0.9.1)
       railties (>= 3.0)
       rubocop (~> 0.77)
       rubocop-performance (~> 1.3)
@@ -210,7 +210,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.6.0)
+    unicode-display_width (1.6.1)
     warden (1.2.8)
       rack (>= 2.0.6)
     websocket-driver (0.7.1)