chore(deps): update dependency hotchocolate.aspnetcore to v13.8.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
HotChocolate.AspNetCore (source)	13.8.0 -> 13.8.1

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Release Notes

ChilliCream/graphql-platform (HotChocolate.AspNetCore)

### [`v13.8.1`](https://togithub.com/ChilliCream/graphql-platform/releases/tag/13.8.1) [Compare Source](https://togithub.com/ChilliCream/graphql-platform/compare/13.8.0...13.8.1) - Updated Embedded BananaCakePop to Version 13.0.0

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