chore(deps): update dependency moq to v4.15.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
Moq	nuget	patch	4.15.1 -> 4.15.2

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Release Notes

moq/moq4

### [`v4.15.2`](https://togithub.com/moq/moq4/blob/master/CHANGELOG.md#​4152-2020-11-26) ##### Changed - Upgraded `System.Threading.Tasks.Extensions` dependency to version 4.5.4 ([@​JeffAshton](https://togithub.com/JeffAshton), [#​1108](https://togithub.com/moq/moq4/issues/1108))

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