Update patch set 5
Patch Set 5: Code-Review+2
T119766 doesn't discuss if you should use it nor if it is deprecated when it was added nor how it fits into where Mediawiki wants to go with composer and so on. Using this feature is better than doing the same thing without extension.json.
Reviewer: JanZerebecki <640@e9e9afe9-4712-486d-8885-f54b72dd1951>