On GitLab.com, the `Metrics::Dashboard::SyncDashboardsWorker` sidekiq job has about a 13% failure rate

Worker Dashboard: https://dashboards.gitlab.net/d/sidekiq-worker-detail/sidekiq-worker-detail?var-worker=Metrics::Dashboard::SyncDashboardsWorker

Failure Sidekiq Logs: Kibana Search

As measured over the past 3 day period on GitLab.com, the Metrics::Dashboard::SyncDashboardsWorker sidekiq job has about a 13% failure rate

Proposal

Reduce failure fail to less than 10%.

Verification

Is the SidekiqServiceWorkerExecutionErrorSLOViolation alert still firing?

https://alerts.gitlab.net/#/alerts?silenced=true&inhibited=false&active=true&filter=%7Balertname%3D%22SidekiqServiceWorkerExecutionErrorSLOViolation%22%2C%20env%3D%22gprd%22%2C%20worker%3D%22Metrics::Dashboard::SyncDashboardsWorker%22%7D