adjusted duration output to milliseconds

[bollhals]

The intent of this change is to modify the output of the duration string to milliseconds if it's below a certain threshold. (This is useful when the steps you execute are in the milliseconds range, so outputting 0.1s isn't particularly useful)

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue).
• [x] New feature (non-breaking change which adds functionality).
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).
• [ ] Performance improvement
• [ ] Refactoring (so no functional change)
• [ ] Other (docs, build config, etc)

Checklist:

• [ ] I've added tests for my code. (most of the time mandatory)
• [x] I have added an entry to the changelog. (mandatory)
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

[SabotageAndi]

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