chore(deps): update dependency mediatr to 12.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
MediatR	12.2.0 -> 12.4.1

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Release Notes

jbogard/MediatR (MediatR)

### [`v12.4.1`](https://redirect.github.com/jbogard/MediatR/releases/tag/v12.4.1) ##### What's Changed - Make Auto Registration of Generic Handlers OPT-IN by [@​zachpainter77](https://redirect.github.com/zachpainter77) in [https://github.com/jbogard/MediatR/pull/1057](https://redirect.github.com/jbogard/MediatR/pull/1057) **Full Changelog**: https://github.com/jbogard/MediatR/compare/v12.4.0...v12.4.1 ### [`v12.4.0`](https://redirect.github.com/jbogard/MediatR/releases/tag/v12.4.0) #### What's Changed - Add Support For Generic Handlers With Multiple Generic Type Parameters by [@​zachpainter77](https://redirect.github.com/zachpainter77) in [https://github.com/jbogard/MediatR/pull/1048](https://redirect.github.com/jbogard/MediatR/pull/1048) **Full Changelog**: https://github.com/jbogard/MediatR/compare/v12.3.0...v12.4.0 ### [`v12.3.0`](https://redirect.github.com/jbogard/MediatR/releases/tag/v12.3.0) #### What's Changed - Fix AutoRegisterRequestProcessors to include all implementations by [@​hisuwh](https://redirect.github.com/hisuwh) in [https://github.com/jbogard/MediatR/pull/989](https://redirect.github.com/jbogard/MediatR/pull/989) - [#​1016](https://redirect.github.com/jbogard/MediatR/issues/1016) Use repo readme for base package by [@​thompson-tomo](https://redirect.github.com/thompson-tomo) in [https://github.com/jbogard/MediatR/pull/1017](https://redirect.github.com/jbogard/MediatR/pull/1017) - Add Support for Generic Handlers by [@​zachpainter77](https://redirect.github.com/zachpainter77) in [https://github.com/jbogard/MediatR/pull/1013](https://redirect.github.com/jbogard/MediatR/pull/1013) #### New Contributors - [@​hisuwh](https://redirect.github.com/hisuwh) made their first contribution in [https://github.com/jbogard/MediatR/pull/989](https://redirect.github.com/jbogard/MediatR/pull/989) - [@​thompson-tomo](https://redirect.github.com/thompson-tomo) made their first contribution in [https://github.com/jbogard/MediatR/pull/1017](https://redirect.github.com/jbogard/MediatR/pull/1017) - [@​zachpainter77](https://redirect.github.com/zachpainter77) made their first contribution in [https://github.com/jbogard/MediatR/pull/1013](https://redirect.github.com/jbogard/MediatR/pull/1013) **Full Changelog**: https://github.com/jbogard/MediatR/compare/v12.2.0...v12.3.0

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