Set retry limit 2 for Zoekt::IndexerWorker

Dylan Griffithrequested to merge
set-retry-limit-for-zoekt into master

What does this MR do and why?

This matches up with what we do for ElasticCommitIndexerWorker and this is a mitigation for gitlab-com/gl-infra/production#8740 (comment 1360008460) as we're seeing some projects with permanent indexing problems where retries won't ever work. The constant retries are causing too much noise in our logs and alerts.

Similar to ElasticCommitIndexerWorker it's also not critical if we run out of retries because the project will just indexed again the next time the repo is updated. It's all derived data so losing a job in this queue can always be recovered by just queueing again for the same project.

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Edited by Dylan Griffith

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