chore(deps): bump System.Runtime.CompilerServices.Unsafe and System.T…

…ext.Json

Bumps [System.Runtime.CompilerServices.Unsafe](https://github.com/dotnet/runtime) and [System.Text.Json](https://github.com/dotnet/runtime). These dependencies needed to be updated together.

Updates `System.Runtime.CompilerServices.Unsafe` from 6.1.0 to 6.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v6.0.0)

Updates `System.Text.Json` from 8.0.5 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.5...v9.0.0)

---
updated-dependencies:
- dependency-name: System.Runtime.CompilerServices.Unsafe
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: System.Text.Json
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

src/Extism.Sdk/Extism.Sdk.csproj

@@ -36,6 +36,6 @@
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
 		<PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
-		<PackageReference Include="System.Text.Json" Version="8.0.5" />
+		<PackageReference Include="System.Text.Json" Version="9.0.0" />
 	</ItemGroup>
 </Project>