minor #350 Fix deprecation notice (loevgaard)
minor #350 Fix deprecation notice (loevgaard)

This PR was merged into the 1.3-dev branch.

Discussion
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Fixes this notice: `The default value of "$usePutenv" argument of "Symfony\Component\Dotenv\Dotenv::__construct" will be changed from "true" to "false" in Symfony 5.0. You should define its value explicitly.`

Commits
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9ca2d49166d64b821ea1c31306e2d6df08a6044c Fix deprecation notice

Sylius/Sylius-Standard,Sylius/Sylius-Standard,Sylius/Sylius-Standard