Update sidekiq to version 7.1.4

Gemfile

@@ -62,7 +62,7 @@ gem 'faraday'
 gem 'jsonapi-serializer', '~> 2.2'
 
 # Simple, efficient background processing for Ruby
-gem 'sidekiq', '~> 6.4', '>= 6.4.2'
+gem 'sidekiq', '~> 7.1', '>= 6.4.2'
 
 # An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP.
 gem 'open-uri', '~> 0.2.0'

Gemfile.lock

@@ -162,7 +162,7 @@ GEM
       sexp_processor
     coderay (1.1.3)
     concurrent-ruby (1.1.10)
-    connection_pool (2.2.5)
+    connection_pool (2.4.1)
     counter_culture (3.2.1)
       activerecord (>= 4.2)
       activesupport (>= 4.2)
@@ -380,7 +380,7 @@ GEM
     pundit (2.2.0)
       activesupport (>= 3.0.0)
     racc (1.6.0)
-    rack (2.2.4)
+    rack (2.2.8)
     rack-attack (6.6.1)
       rack (>= 1.0, < 3)
     rack-cors (1.1.1)
@@ -443,7 +443,9 @@ GEM
       ffi (~> 1.0)
     rb-readline (0.5.5)
     rchardet (1.8.0)
-    redis (4.7.1)
+    redis (4.8.1)
+    redis-client (0.17.0)
+      connection_pool
     regexp_parser (2.5.0)
     reline (0.3.1)
       io-console (~> 0.5)
@@ -539,10 +541,11 @@ GEM
     sexp_processor (4.16.1)
     shoulda-matchers (5.1.0)
       activesupport (>= 5.2.0)
-    sidekiq (6.5.1)
-      connection_pool (>= 2.2.2)
-      rack (~> 2.0)
-      redis (>= 4.2.0)
+    sidekiq (7.1.4)
+      concurrent-ruby (< 2)
+      connection_pool (>= 2.3.0)
+      rack (>= 2.2.4)
+      redis-client (>= 0.14.0)
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
@@ -697,7 +700,7 @@ DEPENDENCIES
   searchkick (~> 5.0, >= 5.0.4)
   selenium-webdriver
   shoulda-matchers (~> 5.1)
-  sidekiq (~> 6.4, >= 6.4.2)
+  sidekiq (~> 7.1, >= 6.4.2)
   simplecov (~> 0.21)
   simplecov-lcov (~> 0.8.0)
   spring