[MIG] dev_github_connector: migrate add-on to v13

dev_git_project_task_connector/__manifest__.py

@@ -3,7 +3,7 @@
 
 {
     "name": "Git Project Task Connector",
-    "version": "12.0.1.1.0",
+    "version": "13.0.1.1.0",
     "author": "Elabore",
     "maintainer": "False",
     "website": "False",

dev_git_project_task_connector/models/git_repo.py

@@ -14,7 +14,6 @@ class GitRepository(models.Model):
         string="Displayed name", compute="_compute_displayed_name"
     )
 
-    @api.multi
     @api.depends("owner", "name")
     def _compute_displayed_name(self):
         for record in self:

dev_github_connector/__manifest__.py

@@ -3,7 +3,7 @@
 
 {
     "name": "Github Odoo Connector",
-    "version": "12.0.1.2.0",
+    "version": "13.0.1.2.0",
     "author": "Elabore",
     "maintainer": "False",
     "website": "False",