Upgrade rspec-rails to 5.0 (#13005)

Gemfile

@@ -149,7 +149,7 @@ group :development, :test do
   gem "faker", "~> 2.16" # A library for generating fake data such as names, addresses, and phone numbers
   gem "knapsack_pro", "~> 2.11.0" # Help parallelize Ruby spec builds
   gem "pry-byebug", "~> 3.8" # Combine 'pry' with 'byebug'. Adds 'step', 'next', 'finish', 'continue' and 'break' commands to control execution
-  gem "rspec-rails", "~> 4.1" # rspec-rails is a testing framework for Rails 3+
+  gem "rspec-rails", "~> 5.0" # rspec-rails is a testing framework for Rails 3+
   gem "rubocop", "~> 1.11", require: false # Automatic Ruby code style checking tool
   gem "rubocop-performance", "~> 1.10", require: false # A collection of RuboCop cops to check for performance optimizations in Ruby code
   gem "rubocop-rails", "~> 2.9", require: false # Automatic Rails code style checking tool

Gemfile.lock

@@ -491,12 +491,12 @@ GEM
       http-2 (~> 0.11)
     netrc (0.11.0)
     nio4r (2.5.5)
-    nokogiri (1.11.1)
+    nokogiri (1.11.2)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
-    nokogiri (1.11.1-x86_64-darwin)
+    nokogiri (1.11.2-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.11.1-x86_64-linux)
+    nokogiri (1.11.2-x86_64-linux)
       racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
@@ -682,10 +682,10 @@ GEM
     rspec-mocks (3.10.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
-    rspec-rails (4.1.0)
-      actionpack (>= 4.2)
-      activesupport (>= 4.2)
-      railties (>= 4.2)
+    rspec-rails (5.0.0)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
+      railties (>= 5.2)
       rspec-core (~> 3.10)
       rspec-expectations (~> 3.10)
       rspec-mocks (~> 3.10)
@@ -999,7 +999,7 @@ DEPENDENCIES
   rouge (~> 3.26)
   rpush (~> 5.3)
   rpush-redis (~> 1.1)
-  rspec-rails (~> 4.1)
+  rspec-rails (~> 5.0)
   rspec-retry (~> 0.6)
   rubocop (~> 1.11)
   rubocop-performance (~> 1.10)