Updated mediawiki/extensions
Project: mediawiki/extensions/WikimediaEvents  8a0d785bfdee709e19c402fdbe703243f5ebd667

Use simple random sampling to log deprecated usage at 1:100

At the current rate, deprecation events amount to some ~70% of all events.
Such a high rate means some editors are probably firing an event on each page
load, which could possibly degrade their experience of the site.

Change-Id: I7fdaa5524dbca98358bdf94e0965f5987eaf100d