ID-163: update sidekiq

[karlnaden]

Summary

Previously, downstream test kits, such as the Da Vinci CRD Test Kit, were allowed to and were using version 3 of the connection_pool gem, which was incompatible with version 7.2.4 of the sidekiq gem. This caused a warning when starting up inferno related to the pop method, e.g.,

22:55:26 worker.1 | 2026-06-18T02:55:26.127Z pid=78057 tid=1lzp WARN: ArgumentError: wrong number of arguments (given 1, expected 0)
22:55:26 worker.1 | 2026-06-18T02:55:26.127Z pid=78057 tid=1lzp WARN: /Users/karlnaden/.asdf/installs/ruby/3.3.6/lib/ruby/gems/3.3.0/gems/connection_pool-3.0.2/lib/connection_pool/timed_stack.rb:62:in `pop'

Functionally, this didn't have any impact on normal Inferno operation because normal job execution still works, but could potentially prevent automatic retries because the scheduler thread gets killed due to the error.

Now, the inferno_core gem relies on sidekiq v7.3.10 which caps the version of connection_pool at 2.X. This upper bound prevents the incompatible versions from being installed together and eliminates this startup error.

Testing Guidance

Test using the CRD test kit, which is where the issue was observed

1. Check out the CRD test kit main branch, start the background services, and start inferno. Observe that the above error appears in the inferno logs.
2. Check out this branch of inferno-core and run bundle install. In the CRD test kit GemFIle, reference the inferno_core gem from the checked out directory, e.g., through gem 'inferno_core', path: '../inferno-core'. Run bundle. Stop and re-start the background services and start inferno again. Observe that the above error does not occur and the class=Inferno::Jobs::InvokeValidatorSession job starts and stops without errors indicated in the inferno logs
3. Run the CRD client suite against the server suite using these instructions (can just do the order-sign hook) and confirm that the tests work as expected including validator calls working (there will be some warm-up time) and tests re-starting after wait dialogs.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.79%. Comparing base (305a21d) to head (05f699d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #793   +/-   ##
=======================================
  Coverage   89.79%   89.79%           
=======================================
  Files         291      291           
  Lines        8365     8365           
  Branches     2004     2002    -2     
=======================================
  Hits         7511     7511           
  Misses        799      799           
  Partials       55       55           

Flag	Coverage Δ
backend	92.50% <ø> (ø)
frontend	83.71% <ø> (ø)

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