Bump Microsoft.AspNetCore.Http.Extensions and System.Text.Encodings.Web

Bumps [Microsoft.AspNetCore.Http.Extensions](https://github.com/dotnet/aspnetcore) and [System.Text.Encodings.Web](https://github.com/dotnet/runtime). These dependencies needed to be updated together.

Updates `Microsoft.AspNetCore.Http.Extensions` from 2.2.0 to 2.3.0
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](https://github.com/dotnet/aspnetcore/commits)

Updates `System.Text.Encodings.Web` from 9.0.0 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v9.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.Http.Extensions
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: System.Text.Encodings.Web
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

src/Tgstation.Server.Api/Tgstation.Server.Api.csproj

@@ -26,7 +26,7 @@
 
   <ItemGroup>
     <!-- Usage: HTTP constants reference -->
-    <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="2.3.0" />
     <!-- Usage: Decoding the 'nbf' property of JWTs -->
     <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.3.1" />
     <!-- Usage: Data model annotating -->