Fix configuration for sidekiq-unique-jobs after 7.x upgrade (#15908)

Remove locks from scheduled jobs

config/initializers/sidekiq.rb

@@ -14,14 +14,30 @@ Sidekiq.configure_server do |config|
     chain.add SidekiqErrorHandler
   end
 
-  config.death_handlers << lambda do |job, _ex|
-    digest = job['lock_digest']
-    SidekiqUniqueJobs::Digests.delete_by_digest(digest) if digest
+  config.server_middleware do |chain|
+    chain.add SidekiqUniqueJobs::Middleware::Server
   end
+
+  config.client_middleware do |chain|
+    chain.add SidekiqUniqueJobs::Middleware::Client
+  end
+
+  SidekiqUniqueJobs::Server.configure(config)
 end
 
 Sidekiq.configure_client do |config|
   config.redis = redis_params
+
+  config.client_middleware do |chain|
+    chain.add SidekiqUniqueJobs::Middleware::Client
+  end
 end
 
 Sidekiq.logger.level = ::Logger.const_get(ENV.fetch('RAILS_LOG_LEVEL', 'info').upcase.to_s)
+
+SidekiqUniqueJobs.configure do |config|
+  config.reaper          = :ruby
+  config.reaper_count    = 1000
+  config.reaper_interval = 600
+  config.reaper_timeout  = 150
+end