Bump the system group with 1 update (#762)

Bumps the system group with 1 update: [System.IO.Hashing](https://github.com/dotnet/runtime).

- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.0-rc.1.23419.4...v8.0.0-rc.2.23479.6)

---
updated-dependencies:
- dependency-name: System.IO.Hashing
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: system
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Directory.Packages.props

@@ -32,7 +32,7 @@
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.CommandLine.NamingConventionBinder" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.IdentityModel.Tokens.Jwt" Version="7.0.0-preview3" />
-    <PackageVersion Include="System.IO.Hashing" Version="8.0.0-rc.1.23419.4" />
+    <PackageVersion Include="System.IO.Hashing" Version="8.0.0-rc.2.23479.6" />
     <PackageVersion Include="System.Linq.Async" Version="6.0.1" />
     <PackageVersion Include="System.Reactive" Version="6.0.0" />
   </ItemGroup>