Updated mediawiki/extensions
Project: mediawiki/extensions/ProofreadPage  3deabd9137539eac4c3574451a4b5bb00507c354

Replace usage of SpecialPage::getTitle with getPageTitle

Was deprecated in 1.23, see Icdcf5d5295ef5e7f08b1d403e0c123f78738fd40

Change-Id: I684fc62b925d171018d4770b1aa58fb9abfc97b2