Update dependency Microsoft.IdentityModel.JsonWebTokens to 8.21.0 (#19)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [Microsoft.IdentityModel.JsonWebTokens](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet) | `8.19.1` → `8.21.0` | ![age](https://developer.mend.io/api/mc/badges/age/nuget/Microsoft.IdentityModel.JsonWebTokens/8.21.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Microsoft.IdentityModel.JsonWebTokens/8.19.1/8.21.0?slim=true) |

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### Release Notes

<details>
<summary>AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet (Microsoft.IdentityModel.JsonWebTokens)</summary>

### [`v8.21.0`](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases/tag/8.21.0)

[Compare Source](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/compare/8.20.0...8.21.0)

#### Performance Improvements

- Add JsonWebToken header-replacement path to avoid re-parsing payload. See [PR #&#8203;3553](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/pull/3553).
- Add claims dictionary preallocation. See [PR #&#8203;3550](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/pull/3550).

#### Bug Fixes

- Fix CI build failures: remove unused log message and add missing DPoP API entries. See [PR #&#8203;3551](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/pull/3551).

### [`v8.20.0`](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/compare/8.19.2...8.20.0)

[Compare Source](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/compare/8.19.2...8.20.0)

### [`v8.19.2`](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases/tag/8.19.2)

[Compare Source](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/compare/8.19.1...8.19.2)

#### What's Changed

- Improve serializer and JWE key unwrap handling by [@&#8203;iNinja](https://github.com/iNinja) in [#&#8203;3544](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/pull/3544)

**Full Changelog**: <https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/compare/8.19.1...8.19.2>

</details>

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Reviewed-on: https://git.ryujinx.app/projects/Kenji-NX/pulls/19

Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="Humanizer" Version="3.0.10" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
-    <PackageVersion Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.19.1" />
+    <PackageVersion Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.21.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
     <PackageVersion Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.1" />
     <PackageVersion Include="MsgPack.Cli" Version="1.0.1" />