Updated mediawiki/extensions
Project: mediawiki/extensions/EventLogging  3d8d20fd37a9336f03cfc8b46d539df9134cc177

Cache jsonschema.Draft3Validator objects rather than just schema

Rather than cache schema and then repeatedly construct Draft3Validator objects
out of them, cache the resulting Draft3Validator as well.

Change-Id: I5fb7cc268703034f17a3351b34feda6cf520b1c0