Update src/NHibernate/Loader/Loader.cs

Co-authored-by: Frédéric Delaporte <[email protected]>

Author: dependabot[bot]

src/NHibernate/NHibernate.csproj

@@ -51,11 +51,11 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.0'">
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.7.0" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.7.0" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.0" />
     <PackageReference Include="System.Reflection.Emit" Version="4.7.0" />
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="4.7.0" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />