Updated mediawiki/extensions
Project: mediawiki/extensions/WikimediaMessages  eb32a484ab444f150fb9a9af0755b73b56c46ef5

Change "Massmessage" to "Mass message"

This is the format used in the UI of the MassMessage extension.

Bug: 59179
Change-Id: I2ad65a71f9790a9a728f816ea74901611e94334d