Add capability to retry a bridge in RetryJobService

What does this MR do and why?

Adds the capability of retrying a Ci::Bridge to the RetryJobService

This is an MR that is part of a series of backend issues needed for this epic: &6947 (closed)

MR	Status
Renames service to RetryJobService, as well as other refactoring	✅
Add ability to retry a Ci::Bridge	👈
Update GraphQL Mutation to use service	Up next for review after this
Follow-up - use EventStore in run_after_commit_block	In Progress

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.