NewPagesFeed should say it does not work in browsers older than IE9
NewPagesFeed should say it does not work in browsers older than IE9

The browser note at the top of Special:NewPagesFeed should change from "This tool may not work correctly in browsers older than Internet explorer 8" to "This tool may not work correctly in browsers older than Internet Explorer 9".

Bug: T130804
Change-Id: I5fd1b2ba50921297bda1a4d6a2f5bdbe96ea52e6

wikimedia/mediawiki-extensions-PageTriage,wikimedia/mediawiki-extensions-PageTriage,wikimedia/mediawiki-extensions-PageTriage