Sam Minnee 9247bc8b79 NEW: Add Symfony 4 support alongside Symfony 3
- Remove duplicate key in YML file
 - Remove deprecated yaml dump indentation set (the constructor arg works in both ^3 and ^4)

Fixes #9274
2020-09-21 19:09:08 +12:00
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2020-09-10 17:08:13 +12:00
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