Bump sidekiq from 6.1.2 to 6.2.0

Bumps [sidekiq](https://github.com/mperham/sidekiq) from 6.1.2 to 6.2.0.
- [Release notes](https://github.com/mperham/sidekiq/releases)
- [Changelog](https://github.com/mperham/sidekiq/blob/master/Changes.md)
- [Commits](sidekiq/sidekiq@v6.1.2...v6.2.0)

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

Gemfile.lock

@@ -264,7 +264,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rchardet (1.8.0)
-    redis (4.2.2)
+    redis (4.2.5)
     request_store (1.5.0)
       rack (>= 1.4)
     rgb (0.1.0)
@@ -284,7 +284,7 @@ GEM
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
     shellany (0.0.1)
-    sidekiq (6.1.2)
+    sidekiq (6.2.0)
       connection_pool (>= 2.2.2)
       rack (~> 2.0)
       redis (>= 4.2.0)