deps: update dependency fantomas to v6.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
fantomas (source)	nuget	patch	6.2.0 -> 6.2.1

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Release Notes

fsprojects/fantomas (fantomas)

### [`v6.2.1`](https://togithub.com/fsprojects/fantomas/blob/HEAD/CHANGELOG.md#621---2023-09-18) ##### Fixed - Backticks in optional parameter gets removed [#​2954](https://togithub.com/fsprojects/fantomas/issues/2954) - Ticks in namespace are lost [#​2959](https://togithub.com/fsprojects/fantomas/issues/2959)

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