Update rspec to 3.7

Gemfile

@@ -332,7 +332,7 @@ group :development, :test do
 
   gem 'database_cleaner', '~> 1.5.0'
   gem 'factory_bot_rails', '~> 4.8.2'
-  gem 'rspec-rails', '~> 3.6.0'
+  gem 'rspec-rails', '~> 3.7.0'
   gem 'rspec-retry', '~> 0.4.5'
   gem 'rspec_profiling', '~> 0.0.5'
   gem 'rspec-set', '~> 0.1.3'

Gemfile.lock

@@ -742,36 +742,36 @@ GEM
       chunky_png
     rqrcode-rails3 (0.1.7)
       rqrcode (>= 0.4.2)
-    rspec (3.6.0)
-      rspec-core (~> 3.6.0)
-      rspec-expectations (~> 3.6.0)
-      rspec-mocks (~> 3.6.0)
-    rspec-core (3.6.0)
-      rspec-support (~> 3.6.0)
-    rspec-expectations (3.6.0)
+    rspec (3.7.0)
+      rspec-core (~> 3.7.0)
+      rspec-expectations (~> 3.7.0)
+      rspec-mocks (~> 3.7.0)
+    rspec-core (3.7.1)
+      rspec-support (~> 3.7.0)
+    rspec-expectations (3.7.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.6.0)
-    rspec-mocks (3.6.0)
+      rspec-support (~> 3.7.0)
+    rspec-mocks (3.7.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.6.0)
+      rspec-support (~> 3.7.0)
     rspec-parameterized (0.4.0)
       binding_of_caller
       parser
       proc_to_ast
       rspec (>= 2.13, < 4)
       unparser
-    rspec-rails (3.6.0)
+    rspec-rails (3.7.2)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)
-      rspec-core (~> 3.6.0)
-      rspec-expectations (~> 3.6.0)
-      rspec-mocks (~> 3.6.0)
-      rspec-support (~> 3.6.0)
+      rspec-core (~> 3.7.0)
+      rspec-expectations (~> 3.7.0)
+      rspec-mocks (~> 3.7.0)
+      rspec-support (~> 3.7.0)
     rspec-retry (0.4.5)
       rspec-core
     rspec-set (0.1.3)
-    rspec-support (3.6.0)
+    rspec-support (3.7.1)
     rspec_profiling (0.0.5)
       activerecord
       pg
@@ -1140,7 +1140,7 @@ DEPENDENCIES
   rouge (~> 3.1)
   rqrcode-rails3 (~> 0.1.7)
   rspec-parameterized
-  rspec-rails (~> 3.6.0)
+  rspec-rails (~> 3.7.0)
   rspec-retry (~> 0.4.5)
   rspec-set (~> 0.1.3)
   rspec_profiling (~> 0.0.5)