Security update for Core, with self-updated composer

[yaffs-website] / vendor / symfony / dependency-injection / Tests / Fixtures / yaml / legacy_invalid_definition.yml

services:
    # This definition is valid and should not raise any deprecation notice
    foo:
        class: stdClass
        arguments: [ 'foo', 'bar' ]

    # This definition is invalid and must raise a deprecation notice
    bar:
        class: stdClass
        private: true        # the "private" keyword is invalid