Bump rails from 5.1.6 to 5.2.0

Bumps [rails](https://github.com/rails/rails) from 5.1.6 to 5.2.0.
- [Release notes](https://github.com/rails/rails/releases)
- [Commits](rails/rails@v5.1.6...v5.2.0)

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

Gemfile

@@ -20,7 +20,7 @@ gem 'local_time', '~> 2.0'
 gem 'pg', '~> 0.18'
 gem 'puma', '~> 3.11'
 gem 'rack-cors', '~> 1.0', '>= 1.0.2'
-gem 'rails', '~> 5.1.6'
+gem 'rails', '~> 5.2.0'
 gem 'sass-rails', '~> 5.0'
 gem 'slack-notifier', '~> 2.3.2'
 gem 'turbolinks', '~> 5'

Gemfile.lock

@@ -8,25 +8,25 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.1.6)
-      actionpack (= 5.1.6)
+    actioncable (5.2.0)
+      actionpack (= 5.2.0)
       nio4r (~> 2.0)
-      websocket-driver (~> 0.6.1)
-    actionmailer (5.1.6)
-      actionpack (= 5.1.6)
-      actionview (= 5.1.6)
-      activejob (= 5.1.6)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.0)
+      actionpack (= 5.2.0)
+      actionview (= 5.2.0)
+      activejob (= 5.2.0)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.6)
-      actionview (= 5.1.6)
-      activesupport (= 5.1.6)
+    actionpack (5.2.0)
+      actionview (= 5.2.0)
+      activesupport (= 5.2.0)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.6)
-      activesupport (= 5.1.6)
+    actionview (5.2.0)
+      activesupport (= 5.2.0)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
@@ -36,27 +36,31 @@ GEM
       activemodel (>= 4.1, < 6)
       case_transform (>= 0.2)
       jsonapi-renderer (>= 0.1.1.beta1, < 0.3)
-    activejob (5.1.6)
-      activesupport (= 5.1.6)
+    activejob (5.2.0)
+      activesupport (= 5.2.0)
       globalid (>= 0.3.6)
-    activemodel (5.1.6)
-      activesupport (= 5.1.6)
+    activemodel (5.2.0)
+      activesupport (= 5.2.0)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
-    activerecord (5.1.6)
-      activemodel (= 5.1.6)
-      activesupport (= 5.1.6)
-      arel (~> 8.0)
-    activesupport (5.1.6)
+    activerecord (5.2.0)
+      activemodel (= 5.2.0)
+      activesupport (= 5.2.0)
+      arel (>= 9.0)
+    activestorage (5.2.0)
+      actionpack (= 5.2.0)
+      activerecord (= 5.2.0)
+      marcel (~> 0.3.1)
+    activesupport (5.2.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
-    arel (8.0.0)
+    arel (9.0.0)
     autoprefixer-rails (8.6.5)
       execjs
     aws-sdk (2.10.33)
@@ -158,8 +162,11 @@ GEM
       nokogiri (>= 1.5.9)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
+    marcel (0.3.2)
+      mimemagic (~> 0.3.2)
     metaclass (0.0.4)
     method_source (0.9.0)
+    mimemagic (0.3.2)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
@@ -181,7 +188,7 @@ GEM
       minitest-rails (~> 3.0)
     mocha (1.4.0)
       metaclass (~> 0.0.1)
-    nio4r (2.3.0)
+    nio4r (2.3.1)
     nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     orm_adapter (0.5.0)
@@ -195,26 +202,27 @@ GEM
       rack
     rack-test (1.0.0)
       rack (>= 1.0, < 3)
-    rails (5.1.6)
-      actioncable (= 5.1.6)
-      actionmailer (= 5.1.6)
-      actionpack (= 5.1.6)
-      actionview (= 5.1.6)
-      activejob (= 5.1.6)
-      activemodel (= 5.1.6)
-      activerecord (= 5.1.6)
-      activesupport (= 5.1.6)
+    rails (5.2.0)
+      actioncable (= 5.2.0)
+      actionmailer (= 5.2.0)
+      actionpack (= 5.2.0)
+      actionview (= 5.2.0)
+      activejob (= 5.2.0)
+      activemodel (= 5.2.0)
+      activerecord (= 5.2.0)
+      activestorage (= 5.2.0)
+      activesupport (= 5.2.0)
       bundler (>= 1.3.0)
-      railties (= 5.1.6)
+      railties (= 5.2.0)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.4)
       loofah (~> 2.2, >= 2.2.2)
-    railties (5.1.6)
-      actionpack (= 5.1.6)
-      activesupport (= 5.1.6)
+    railties (5.2.0)
+      actionpack (= 5.2.0)
+      activesupport (= 5.2.0)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
@@ -283,7 +291,7 @@ GEM
       activesupport (>= 4.2)
       rack-proxy (>= 0.6.1)
       railties (>= 4.2)
-    websocket-driver (0.6.5)
+    websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)
     xpath (3.0.0)
@@ -316,7 +324,7 @@ DEPENDENCIES
   pg (~> 0.18)
   puma (~> 3.11)
   rack-cors (~> 1.0, >= 1.0.2)
-  rails (~> 5.1.6)
+  rails (~> 5.2.0)
   ruby-progressbar (~> 1.9)
   sass-rails (~> 5.0)
   selenium-webdriver