chore(deps): update dependency @azure-tools/typespec-client-generator-core to v0.41.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@azure-tools/typespec-client-generator-core (source)	0.41.7 -> 0.41.8

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Release Notes

Azure/typespec-azure (@​azure-tools/typespec-client-generator-core)

### [`v0.41.8`](https://togithub.com/Azure/typespec-azure/releases/tag/%40azure-tools/typespec-client-generator-core%400.41.8) [Compare Source](https://togithub.com/Azure/typespec-azure/compare/@azure-tools/typespec-client-generator-core@0.41.7...@azure-tools/typespec-client-generator-core@0.41.8) ##### Bug Fixes - [#​753](https://togithub.com/Azure/typespec-azure/pull/753) fix usage propagation from sub types

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Configuration

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