[Security] Bump rails from 5.1.5 to 5.2.3

Bumps [rails](https://github.com/rails/rails) from 5.1.5 to 5.2.3. **This update includes security fixes.**
- [Release notes](https://github.com/rails/rails/releases)
- [Commits](rails/rails@v5.1.5...v5.2.3)

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

Gemfile

@@ -7,7 +7,7 @@ git_source(:github) do |repo_name|
 end
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.1.5'
+gem 'rails', '~> 5.2.3'
 
 gem 'browser'
 gem 'devise'

Gemfile.lock

@@ -1,46 +1,50 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.1.5)
-      actionpack (= 5.1.5)
+    actioncable (5.2.3)
+      actionpack (= 5.2.3)
       nio4r (~> 2.0)
-      websocket-driver (~> 0.6.1)
-    actionmailer (5.1.5)
-      actionpack (= 5.1.5)
-      actionview (= 5.1.5)
-      activejob (= 5.1.5)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.5)
-      actionview (= 5.1.5)
-      activesupport (= 5.1.5)
+    actionpack (5.2.3)
+      actionview (= 5.2.3)
+      activesupport (= 5.2.3)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.5)
-      activesupport (= 5.1.5)
+    actionview (5.2.3)
+      activesupport (= 5.2.3)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.5)
-      activesupport (= 5.1.5)
+    activejob (5.2.3)
+      activesupport (= 5.2.3)
       globalid (>= 0.3.6)
-    activemodel (5.1.5)
-      activesupport (= 5.1.5)
-    activerecord (5.1.5)
-      activemodel (= 5.1.5)
-      activesupport (= 5.1.5)
-      arel (~> 8.0)
-    activesupport (5.1.5)
+    activemodel (5.2.3)
+      activesupport (= 5.2.3)
+    activerecord (5.2.3)
+      activemodel (= 5.2.3)
+      activesupport (= 5.2.3)
+      arel (>= 9.0)
+    activestorage (5.2.3)
+      actionpack (= 5.2.3)
+      activerecord (= 5.2.3)
+      marcel (~> 0.3.1)
+    activesupport (5.2.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      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)
     ast (2.4.0)
     axiom-types (0.1.1)
       descendants_tracker (~> 0.0.4)
@@ -66,7 +70,7 @@ GEM
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     colorize (0.8.1)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.5)
     connection_pool (2.2.2)
     coveralls (0.8.21)
       json (>= 1.8, < 3)
@@ -89,7 +93,7 @@ GEM
     diff-lcs (1.3)
     docile (1.1.5)
     equalizer (0.0.11)
-    erubi (1.7.1)
+    erubi (1.8.0)
     erubis (2.7.0)
     faker (1.9.1)
       i18n (>= 0.7)
@@ -113,7 +117,7 @@ GEM
     gitlab (4.2.0)
       httparty
       terminal-table
-    globalid (0.4.1)
+    globalid (0.4.2)
       activesupport (>= 4.2.0)
     guard (2.14.2)
       formatador (>= 0.2.4)
@@ -136,7 +140,7 @@ GEM
     hirb (0.7.3)
     httparty (0.16.2)
       multi_xml (>= 0.5.2)
-    i18n (0.9.5)
+    i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     interception (0.5)
@@ -149,17 +153,20 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
-    mail (2.7.0)
+    mail (2.7.1)
       mini_mime (>= 0.1.1)
+    marcel (0.3.3)
+      mimemagic (~> 0.3.2)
     memory_profiler (0.9.10)
-    method_source (0.9.0)
-    mini_mime (1.0.0)
+    method_source (0.9.2)
+    mimemagic (0.3.3)
+    mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nenv (0.3.0)
-    nio4r (2.2.0)
+    nio4r (2.3.1)
     nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
@@ -218,7 +225,7 @@ GEM
       pry (>= 0.9.10, < 0.12.0)
     public_suffix (3.0.3)
     puma (3.12.0)
-    rack (2.0.5)
+    rack (2.0.6)
     rack-cors (1.0.2)
     rack-mini-profiler (1.0.0)
       rack (>= 1.2.0)
@@ -228,32 +235,33 @@ GEM
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.1.5)
-      actioncable (= 5.1.5)
-      actionmailer (= 5.1.5)
-      actionpack (= 5.1.5)
-      actionview (= 5.1.5)
-      activejob (= 5.1.5)
-      activemodel (= 5.1.5)
-      activerecord (= 5.1.5)
-      activesupport (= 5.1.5)
+    rails (5.2.3)
+      actioncable (= 5.2.3)
+      actionmailer (= 5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
+      activemodel (= 5.2.3)
+      activerecord (= 5.2.3)
+      activestorage (= 5.2.3)
+      activesupport (= 5.2.3)
       bundler (>= 1.3.0)
-      railties (= 5.1.5)
+      railties (= 5.2.3)
       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 (5.1.5)
-      actionpack (= 5.1.5)
-      activesupport (= 5.1.5)
+    railties (5.2.3)
+      actionpack (= 5.2.3)
+      activesupport (= 5.2.3)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
+      thor (>= 0.19.0, < 2.0)
     rainbow (2.2.2)
       rake
-    rake (12.3.1)
+    rake (12.3.2)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -387,7 +395,7 @@ 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)
     yard (0.9.16)
@@ -432,7 +440,7 @@ DEPENDENCIES
   puma (~> 3.12)
   rack-cors
   rack-mini-profiler
-  rails (~> 5.1.5)
+  rails (~> 5.2.3)
   rspec-benchmark
   rspec-rails (~> 3.7)
   rspec-sidekiq