fix(deps): update module github.com/vbauerster/mpb/v8 to v8.7.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/vbauerster/mpb/v8	v8.7.2 -> v8.7.3

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Release Notes

vbauerster/mpb (github.com/vbauerster/mpb/v8)

### [`v8.7.3`](https://togithub.com/vbauerster/mpb/releases/tag/v8.7.3) [Compare Source](https://togithub.com/vbauerster/mpb/compare/v8.7.2...v8.7.3) fixed [#​140](https://togithub.com/vbauerster/mpb/issues/140)

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