[Security] Bump rails from 5.1.0 to 5.1.7

Bumps [rails](https://github.com/rails/rails) from 5.1.0 to 5.1.7. **This update includes security fixes.**
- [Release notes](https://github.com/rails/rails/releases)
- [Commits](rails/rails@v5.1.0...v5.1.7)

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

Gemfile

@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 ruby '2.4.1'
-gem 'rails', '5.1'
+gem 'rails', '5.1.6.2'
 
 # UI
 gem 'devise'

Gemfile.lock

@@ -13,25 +13,25 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.1.0)
-      actionpack (= 5.1.0)
+    actioncable (5.1.6.2)
+      actionpack (= 5.1.6.2)
       nio4r (~> 2.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.1.0)
-      actionpack (= 5.1.0)
-      actionview (= 5.1.0)
-      activejob (= 5.1.0)
+    actionmailer (5.1.6.2)
+      actionpack (= 5.1.6.2)
+      actionview (= 5.1.6.2)
+      activejob (= 5.1.6.2)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.0)
-      actionview (= 5.1.0)
-      activesupport (= 5.1.0)
+    actionpack (5.1.6.2)
+      actionview (= 5.1.6.2)
+      activesupport (= 5.1.6.2)
       rack (~> 2.0)
-      rack-test (~> 0.6.3)
+      rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.0)
-      activesupport (= 5.1.0)
+    actionview (5.1.6.2)
+      activesupport (= 5.1.6.2)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
@@ -44,22 +44,22 @@ GEM
     active_record-acts_as (4.0.1)
       activerecord (>= 4.2)
       activesupport (>= 4.2)
-    activejob (5.1.0)
-      activesupport (= 5.1.0)
+    activejob (5.1.6.2)
+      activesupport (= 5.1.6.2)
       globalid (>= 0.3.6)
-    activemodel (5.1.0)
-      activesupport (= 5.1.0)
+    activemodel (5.1.6.2)
+      activesupport (= 5.1.6.2)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
-    activerecord (5.1.0)
-      activemodel (= 5.1.0)
-      activesupport (= 5.1.0)
+    activerecord (5.1.6.2)
+      activemodel (= 5.1.6.2)
+      activesupport (= 5.1.6.2)
       arel (~> 8.0)
-    activesupport (5.1.0)
+    activesupport (5.1.6.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.5.2)
@@ -106,7 +106,7 @@ GEM
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
     coderay (1.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.5)
     coveralls (0.8.22)
       json (>= 1.8, < 3)
       simplecov (~> 0.16.1)
@@ -158,7 +158,7 @@ GEM
       htmlentities (~> 4.3.3)
       launchy (~> 2.1)
       mail (~> 2.6)
-    erubi (1.7.1)
+    erubi (1.8.0)
     erubis (2.7.0)
     execjs (2.7.0)
     fabrication (2.20.1)
@@ -169,7 +169,7 @@ GEM
     gherkin (4.1.3)
     given_core (3.8.0)
       sorcerer (>= 0.3.7)
-    globalid (0.4.0)
+    globalid (0.4.2)
       activesupport (>= 4.2.0)
     going_postal (0.1.6)
     haml (5.0.1)
@@ -193,7 +193,7 @@ GEM
       multi_xml (>= 0.5.2)
     humanize_boolean (0.0.2)
       i18n
-    i18n (0.9.5)
+    i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     i18n-debug (1.1.1)
       i18n (< 2)
@@ -224,22 +224,23 @@ GEM
     loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.6)
-      mime-types (>= 1.16, < 4)
-    method_source (0.9.0)
-    mime-types (3.1)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    method_source (0.9.2)
+    mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2019.0331)
     mimemagic (0.3.2)
-    mini_portile2 (2.3.0)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     multi_json (1.12.1)
     multi_test (0.1.2)
     multi_xml (0.6.0)
     mustermann (1.0.2)
-    nio4r (2.1.0)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nio4r (2.4.0)
+    nokogiri (1.10.3)
+      mini_portile2 (~> 2.4.0)
     notifications-ruby-client (2.7.0)
       jwt (>= 1.5, < 3)
     orm_adapter (0.5.0)
@@ -269,22 +270,22 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (3.0.2)
     puma (3.12.0)
-    rack (2.0.6)
+    rack (2.0.7)
     rack-protection (2.0.3)
       rack
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails (5.1.0)
-      actioncable (= 5.1.0)
-      actionmailer (= 5.1.0)
-      actionpack (= 5.1.0)
-      actionview (= 5.1.0)
-      activejob (= 5.1.0)
-      activemodel (= 5.1.0)
-      activerecord (= 5.1.0)
-      activesupport (= 5.1.0)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 5.1.0)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (5.1.6.2)
+      actioncable (= 5.1.6.2)
+      actionmailer (= 5.1.6.2)
+      actionpack (= 5.1.6.2)
+      actionview (= 5.1.6.2)
+      activejob (= 5.1.6.2)
+      activemodel (= 5.1.6.2)
+      activerecord (= 5.1.6.2)
+      activesupport (= 5.1.6.2)
+      bundler (>= 1.3.0)
+      railties (= 5.1.6.2)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.2)
       actionpack (~> 5.x, >= 5.0.1)
@@ -300,15 +301,15 @@ GEM
       rails_stdout_logging
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
-    railties (5.1.0)
-      actionpack (= 5.1.0)
-      activesupport (= 5.1.0)
+    railties (5.1.6.2)
+      actionpack (= 5.1.6.2)
+      activesupport (= 5.1.6.2)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.2.2)
       rake
-    rake (12.3.1)
+    rake (12.3.3)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -427,7 +428,7 @@ GEM
       hashdiff
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.4)
     xpath (2.1.0)
       nokogiri (~> 1.3)
 
@@ -475,7 +476,7 @@ DEPENDENCIES
   phony_rails
   pry
   puma
-  rails (= 5.1)
+  rails (= 5.1.6.2)
   rails-controller-testing
   rails_12factor
   rails_service_check!