Fix deprecations for yml

Minishlink / web-push-bundle

Bundle around the WebPush library

MIT License

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Fix deprecations for yml #2

Closed gab3sz closed 7 years ago

gab3sz commented 7 years ago

Symfony throws this deprecation error: "Not quoting the scalar "%minishlink_web_push.class%" starting with the "%" indicator character is deprecated since Symfony 3.1 and will throw a ParseException in 4.0"