fix(deps): update rust crate chrono to 0.4.28

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
chrono	dependencies	patch	0.4.27 -> 0.4.28

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Release Notes

chronotope/chrono (chrono)

### [`v0.4.28`](https://togithub.com/chronotope/chrono/releases/tag/v0.4.28): 0.4.28 [Compare Source](https://togithub.com/chronotope/chrono/compare/v0.4.27...v0.4.28) This release fixes a test failure on 32-bit targets introduced with 0.4.27, see [https://github.com/chronotope/chrono/issues/1234](https://togithub.com/chronotope/chrono/issues/1234).

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