Update package icon URL

Author: AlekseyMartynov

net/DevExtreme.AspNet.Data/DevExtreme.AspNet.Data.csproj

@@ -8,7 +8,7 @@
     <Copyright>%meta_copyright%</Copyright>
     <PackageProjectUrl>%meta_project_url%</PackageProjectUrl>
     <PackageLicenseUrl>%meta_license_url%</PackageLicenseUrl>
-    <PackageIconUrl>https://secure.gravatar.com/avatar/abb60c275d6f175df3393a6369988c3a?s=128&amp;r=g</PackageIconUrl>
+    <PackageIconUrl>https://secure.gravatar.com/avatar/6b38f1e9ffd8b069bcdc2741934fdbcf?s=512&amp;r=g</PackageIconUrl>
   </PropertyGroup>
 
   <PropertyGroup>