Bump System.Diagnostics.EventLog from 4.7.0 to 5.0.0 (winsw#707)

Bumps [System.Diagnostics.EventLog](https://github.com/dotnet/runtime) from 4.7.0 to 5.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits)

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src/WinSW.Core/WinSW.Core.csproj

@@ -17,7 +17,7 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net5.0-windows'">
     <PackageReference Include="Microsoft.Win32.Registry" Version="5.0.0" />
-    <PackageReference Include="System.Diagnostics.EventLog" Version="4.7.0" />
+    <PackageReference Include="System.Diagnostics.EventLog" Version="5.0.0" />
     <PackageReference Include="System.Security.AccessControl" Version="5.0.0" />
   </ItemGroup>