[FIX] reference odoo 10 in setup_dev

Instead of links to 9.0 branch

Closes odoo#15588

Author: andreampiovesana

setup/setup_dev.py

@@ -87,10 +87,10 @@ def cmd_setup_git():
         run('git','config','remote.odoo-dev.url','https://github.com/odoo-dev/odoo.git')
         run('git','config','remote.odoo-dev.pushurl','git@github.com:odoo-dev/odoo.git')
         run('git','remote','update')
-        # setup 9.0 branch
-        run('git','config','branch.9.0.remote','odoo')
-        run('git','config','branch.9.0.merge','refs/heads/9.0')
-        run('git','checkout','9.0')
+        # setup 10.0 branch
+        run('git','config','branch.10.0.remote','odoo')
+        run('git','config','branch.10.0.merge','refs/heads/10.0')
+        run('git','checkout','10.0')
     else:
         printf('no git repo found')