Use full path of project's avatar in webhooks

app/models/project.rb

@@ -1009,7 +1009,7 @@ class Project < ActiveRecord::Base
       name: name,
       description: description,
       web_url: web_url,
-      avatar_url: avatar_url,
+      avatar_url: avatar_url(only_path: false),
       git_ssh_url: ssh_url_to_repo,
       git_http_url: http_url_to_repo,
       namespace: namespace.name,

changelogs/unreleased/use_full_path_in_project_avatar_url_webhook.yml

+---
+title: Use full path of project's avatar in webhooks
+merge_request: 13649
+author: Vitaliy @blackst0ne Klachkov
+type: changed