Move the Microsoft.Bcl.TimeProvider dependency to netstandard2.0 only

Author: DavidZidar

src/TinyLogger/TinyLogger.csproj

@@ -16,7 +16,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Bcl.TimeProvider" />
     <PackageReference Include="Microsoft.Extensions.Logging" />
     <PackageReference Include="Microsoft.Extensions.ObjectPool" />
   </ItemGroup>
@@ -28,6 +27,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" />
     <PackageReference Include="Microsoft.Bcl.Memory" />
+    <PackageReference Include="Microsoft.Bcl.TimeProvider" />
     <PackageReference Include="Microsoft.CSharp" />
     <PackageReference Include="System.Interactive.Async" />
     <PackageReference Include="System.Threading.Channels" />