Update Base.props

build/Base.props

@@ -4,7 +4,7 @@
     <VersionSuffix></VersionSuffix>
     <Authors>Wiesław Šoltés</Authors>
     <Company>Wiesław Šoltés</Company>
-    <Copyright>Copyright © Wiesław Šoltés 2019</Copyright>
+    <Copyright>Copyright © Wiesław Šoltés 2020</Copyright>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/wieslawsoltes/ThemeEditor</PackageProjectUrl>
   </PropertyGroup>