Update mediawiki/mediawiki-codesniffer requirement from 42.0.0 to 43.… #113

Job	Run time
call-mediawiki-tests-workflow (master, 8.1, 81, false, true) / master \| PHP 8.1	3m 30s
call-mediawiki-tests-workflow (REL1_41, 8.1, 81, true, false) / REL1_41 \| PHP 8.1	3m 28s
notify-irc	31s
	7m 29s

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