fix seeds non null og_image_url for repository

Author: lastcanal

priv/repo/seeds.exs

@@ -351,7 +351,8 @@ for {repo_name, issues} <- repos do
     insert!(:repository, %{
       name: repo_name,
       url: "https://github.com/piedpiper/#{repo_name}",
-      user_id: pied_piper.id
+      user_id: pied_piper.id,
+      og_image_url: "https://algora.io/asset/storage/v1/object/public/mock/repo_og_image.jpg"
     })
 
   for {issue_title, index} <- Enum.with_index(issues, 1) do