Pin concurrent-ruby to 1.3.4

[Shaumik-Ashraf]

Summary

This PR fixes onc-healthit/onc-certification-g10-test-kit#610 and the broken inferno new command. The bugs are due to activesupport and concurrent-ruby gems. Activesupport PR rails/rails#54264 should also fix it but has not been released yet.

Testing Guidance

1. Checkout this branch
2. Generate a new test kit:

bundle exec inferno new fix-test

3. Add this line to fix-test/Gemfile:

gem 'inferno_core', git: 'https://github.com/inferno-framework/inferno-core', branch: 'pin-concurrent-ruby-1.3.4'

4. Make sure the new test kit works via Docker:

cd fix-test
./setup.sh
./run.sh

5. Clean up

cd ..
rm -rf fix-test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.28%. Comparing base (8e17a4a) to head (62c14fe).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #596   +/-   ##
=======================================
  Coverage   84.28%   84.28%           
=======================================
  Files         274      274           
  Lines       11601    11601           
  Branches     1291     1291           
=======================================
  Hits         9778     9778           
  Misses       1815     1815           
  Partials        8        8           

Flag	Coverage Δ
backend	92.63% <ø> (ø)
frontend	79.11% <ø> (ø)

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