refactor: Replace github.com/pkg/errors with errors

[jackchenjc]

Closes #242

PR Checklist

Please check if your PR fulfills the following requirements:

• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
• I have updated unit tests for the new feature or bug fix (if not, why?)
• I have fully tested (add details below) this the new feature or bug fix (if not, why?)
• I have opened a PR for the related docs change (if not, why?)

Testing Instructions

Run the make test command to verify all unit tests pass

New Dependency Instructions (If applicable)

N/A

[cloudxxx8]

LGTM

[marcpfuller]

LGTM