Refactor/ Make module become zero-dependencies

[sonh]

• Remove these dependencies:

  • github.com/pkg/errors
  • github.com/stretchr/testify

• Update unit tests and err messages the the module returns

• Update codecov config

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.63%. Comparing base (ef685fc) to head (780c0fa).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #7      +/-   ##
==========================================
- Coverage   99.70%   99.63%   -0.08%     
==========================================
  Files           3        4       +1     
  Lines         680      820     +140     
==========================================
+ Hits          678      817     +139     
- Misses          1        2       +1     
  Partials        1        1              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.