Use doctrine.dbal.connections.default.server_version in addition to doctrine.dbal.server_version

[fabpot]

No description provided.

[nicolas-grekas]

DoctrineBundle already handles the merging of the yaml and the DSN so we should like remove all the yaml-related logic here:
https://github.com/doctrine/DoctrineBundle/blob/2.11.x/ConnectionFactory.php#L251

[fabpot]

Fixed #425

[fabpot]

DoctrineBundle already handles the merging of the yaml and the DSN so we should like remove all the yaml-related logic here: https://github.com/doctrine/DoctrineBundle/blob/2.11.x/ConnectionFactory.php#L251

We are always specifying a version in the URL env var. So, the version set in doctrine.yaml can never be used.