chore: resolve open dependabot security alerts

[jonathannorris]

Summary

• Bumped erb from 6.0.2 to 6.0.4 to resolve a high-severity vulnerability (alert [CI/CD] Use reusable workflow #13): ERB has an @_init deserialization guard bypass via def_module / def_method / def_class

[gemini-code-assist]

Code Review

This pull request updates the erb gem version from 6.0.2 to 6.0.4 in the Gemfile.lock. I have no feedback to provide as there are no review comments.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.50%. Comparing base (f2928b1) to head (5818064).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #281   +/-   ##
=======================================
  Coverage   99.50%   99.50%           
=======================================
  Files          31       31           
  Lines         808      808           
=======================================
  Hits          804      804           
  Misses          4        4           

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