Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  c7c09ea8d500918b316850130f64d72c50ec86ae

Darken input box placeholder text colour

Make the placeholder text #999 (consistent with the search box in Vector)
instead of #aaa.

Bug: 59933
Change-Id: I9a06b554771363525bb3a97679da8bc77199a745