Bump rubocop-rails from 2.18.0 to 2.25.1

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.18.0 to 2.25.1.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.18.0...v2.25.1)

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

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

Gemfile.lock

@@ -99,7 +99,7 @@ GEM
     bootsnap (1.16.0)
       msgpack (~> 1.2)
     builder (3.2.4)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.3.3)
     connection_pool (2.4.1)
     console (1.16.2)
       fiber-local
@@ -154,14 +154,14 @@ GEM
     httparty (0.21.0)
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
-    i18n (1.12.0)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     io-console (0.7.1)
     io-event (1.1.6)
     irb (1.11.1)
       rdoc
       reline (>= 0.4.2)
-    json (2.6.3)
+    json (2.7.2)
     jwt (1.5.6)
     loofah (2.19.1)
       crass (~> 1.0.2)
@@ -174,7 +174,7 @@ GEM
     marcel (1.0.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    minitest (5.18.0)
+    minitest (5.24.1)
     msgpack (1.6.0)
     multi_xml (0.6.0)
     multipart-post (2.3.0)
@@ -200,9 +200,10 @@ GEM
       faraday
       faraday-panoptes (~> 0.3)
       jwt (~> 1.5.0)
-    parallel (1.22.1)
-    parser (3.2.1.1)
+    parallel (1.25.1)
+    parser (3.3.3.0)
       ast (~> 2.4.1)
+      racc
     pg (1.4.6)
     protocol-hpack (1.4.2)
     protocol-http (0.25.0)
@@ -255,10 +256,11 @@ GEM
       psych (>= 4.0.0)
     redis-client (0.19.1)
       connection_pool
-    regexp_parser (2.7.0)
+    regexp_parser (2.9.2)
     reline (0.4.2)
       io-console (~> 0.5)
-    rexml (3.2.5)
+    rexml (3.3.1)
+      strscan
     rspec-core (3.12.1)
       rspec-support (~> 3.12.0)
     rspec-expectations (3.12.2)
@@ -286,17 +288,18 @@ GEM
       rubocop-ast (>= 1.26.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.27.0)
-      parser (>= 3.2.1.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
     rubocop-capybara (2.17.1)
       rubocop (~> 1.41)
     rubocop-performance (1.16.0)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.18.0)
+    rubocop-rails (2.25.1)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rspec (2.19.0)
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
@@ -317,14 +320,15 @@ GEM
     stringio (3.1.0)
     strong_migrations (1.4.4)
       activerecord (>= 5.2)
+    strscan (3.1.0)
     test-prof (1.2.0)
     thor (1.2.1)
     timeout (0.3.2)
     timers (4.3.5)
     traces (0.11.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.4.2)
+    unicode-display_width (2.5.0)
     webmock (3.18.1)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)