Updated mediawiki/extensions
Project: mediawiki/extensions/ProofreadPage  3e202b9a3fcbb5a58bcdc89fffd08bca1ae423f2

Declaration of ProofreadPageContent::preloadTransform() must be
compatible with that of Content::preloadTransform().

Bug: 63958
Change-Id: I8b53327c9e0108cee54d91eb7e35382daffe7bd6