Bump sidekiq from 6.5.6 to 7.1.3

Bumps [sidekiq](https://github.com/sidekiq/sidekiq) from 6.5.6 to 7.1.3.
- [Changelog](https://github.com/sidekiq/sidekiq/blob/main/Changes.md)
- [Commits](sidekiq/sidekiq@v6.5.6...v7.1.3)

---
updated-dependencies:
- dependency-name: sidekiq
  dependency-type: direct:production
...

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

Gemfile

@@ -46,7 +46,7 @@ gem 'sanitize', '~> 6.0'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 gem 'schoolie', '0.1.3'
-gem 'sidekiq', '~>6.5'
+gem 'sidekiq', '~>7.1'
 gem 'tinymce-rails'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
 gem 'turbolinks', '~> 5'

Gemfile.lock

@@ -196,7 +196,7 @@ GEM
     coffee-script-source (1.12.2)
     commonjs (0.2.7)
     concurrent-ruby (1.2.2)
-    connection_pool (2.2.5)
+    connection_pool (2.4.1)
     crack (0.4.5)
       rexml
     crass (1.0.6)
@@ -798,7 +798,9 @@ GEM
       rexml (~> 3.2)
     redic (1.5.3)
       hiredis
-    redis (4.6.0)
+    redis (4.8.1)
+    redis-client (0.17.0)
+      connection_pool
     redis-namespace (1.8.1)
       redis (>= 3.0.4)
     redlock (1.2.1)
@@ -913,10 +915,11 @@ GEM
       sxp (~> 1.1)
     shoulda-matchers (4.5.1)
       activesupport (>= 4.2.0)
-    sidekiq (6.5.6)
-      connection_pool (>= 2.2.5)
-      rack (~> 2.0)
-      redis (>= 4.5.0, < 5)
+    sidekiq (7.1.3)
+      concurrent-ruby (< 2)
+      connection_pool (>= 2.3.0)
+      rack (>= 2.2.4)
+      redis-client (>= 0.14.0)
     signet (0.16.0)
       addressable (~> 2.8)
       faraday (>= 0.17.3, < 2.0)
@@ -1102,7 +1105,7 @@ DEPENDENCIES
   sass-rails (~> 5.0)
   schoolie (= 0.1.3)
   shoulda-matchers
-  sidekiq (~> 6.5)
+  sidekiq (~> 7.1)
   simplecov
   simplecov-lcov
   solr_wrapper (>= 0.3)