Updated mediawiki/extensions
Project: mediawiki/extensions/UserMerge  d2a5464f8cb0a17ebaa56f9a64b9fed7012b8dd6

Fix some i18n/GENDER issues spotted by Protnet

* https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Usermerge-userdeleted
* https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Usermerge-success
* https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Usermerge-success-log
* https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Usermerge-noselfdelete
* https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Usermerge-protectedgroup

Change-Id: I4e434697a31585030ea584b54399c5fcc1eed960