Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  0cdcf2d1556133e6dd6bed7e105445c0f27e691d

Always give references names. Ignore if used once.

This avoids problems when unnamed references were copy-pasted.

Knowing that key is always non-null simplifies a lot of logic
elsewhere.

Bug: 53365
Change-Id: I3a23123ae732d9583814d38dd880a0cdf691fd5d