Update dependency dugite to v1.104.0

[mend-for-github-com[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
dugite	1.103.0 -> 1.104.0

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Release Notes

desktop/dugite

### [`v1.104.0`](https://togithub.com/desktop/dugite/compare/v1.103.0...v1.104.0) [Compare Source](https://togithub.com/desktop/dugite/compare/v1.103.0...v1.104.0)

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Configuration

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