Add a CaptureOutput function to trap stdout and stderr

[FollowTheProcess]

Description

Motivation and Context

Closes #

How Has This Been Tested?

Checklist

• [ ] I have updated the documentation if needed.
• [ ] I have updated the tests if needed.

[codecov[bot]]

Codecov Report

Attention: 12 lines in your changes are missing coverage. Please review.

Comparison is base (e2333f6) 96.80% compared to head (38f2b43) 90.38%.

Files	Patch %	Lines
test.go	80.64%	8 Missing and 4 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #18 +/- ## ========================================== - Coverage 96.80% 90.38% -6.43% ========================================== Files 1 1 Lines 94 156 +62 ========================================== + Hits 91 141 +50 - Misses 2 10 +8 - Partials 1 5 +4 ```

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