Bump System.Runtime.CompilerServices.Unsafe from 4.7.1 to 5.0.0

Bumps [System.Runtime.CompilerServices.Unsafe](https://github.com/dotnet/runtime) from 4.7.1 to 5.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

NitroxModel/NitroxModel.csproj

@@ -257,7 +257,7 @@
       <Version>4.1.0</Version>
     </PackageReference>
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe">
-      <Version>4.5.3</Version>
+      <Version>5.0.0</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

NitroxTest/NitroxTest.csproj

@@ -132,7 +132,7 @@
       <Version>4.2.2</Version>
     </PackageReference>
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe">
-      <Version>4.7.1</Version>
+      <Version>5.0.0</Version>
     </PackageReference>
     <PackageReference Include="System.Threading.Tasks.Extensions">
       <Version>4.5.4</Version>