Now that the settings user implies having internal user rights
(base.group_user), the access rules for users are applied and the test
test_system_user_should_be_able_to_reset_any_tokens failed.
This commit adds a generic ir rule giving all rights on gg calendar
credentials to "Settings" users, aka base.group_system group.
Part-of: odoo/odoo#91909
Each user should be able to reset his own google calendar token.
An admin user (from `base.group_system`) should be able to reset any tokens.
Task-2673934
closesodoo/odoo#83397
Signed-off-by: Arnaud Joset <arj@odoo.com>