Add network timeouts

In rare cases where Redis is being updated/restarted while a job is running, this should add some flexibility.

config/initializers/sidekiq.rb

@@ -2,10 +2,10 @@ if Rails.env.production? || Rails.env.staging?
   redis_jobs_url = ENV.fetch("OFN_REDIS_JOBS_URL", "redis://localhost:6381/0")
 
   Sidekiq.configure_server do |config|
-    config.redis = { url: redis_jobs_url }
+    config.redis = { url: redis_jobs_url, network_timeout: 5 }
   end
 
   Sidekiq.configure_client do |config|
-    config.redis = { url: redis_jobs_url }
+    config.redis = { url: redis_jobs_url, network_timeout: 5 }
   end
 end