update nuget package copyright

Author: sjefvanleeuwen

src/Blazor.AdminLte/Blazor.AdminLte.csproj

@@ -18,7 +18,7 @@
     <Title>ADMINLTE for Blazor</Title>
     <Description>ADMINLTE for Blazor is a collection of reusable components, with which you can easily develop digital services as a designer or developer. Think of buttons, form elements and page templates. This project adapts ADMINLTE 3 so the components can be used from dotnet core Blazor.</Description>
     <NeutralLanguage></NeutralLanguage>
-    <Copyright>Copyright (c) 2020 Sjef van Leeuwen</Copyright>
+    <Copyright>Copyright (c) 2020-2021 Sjef van Leeuwen</Copyright>
     <PackageIcon>blazor-adminlte-256.png</PackageIcon>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <PackageVersion>0.1.7</PackageVersion>