Bump grunt-banana-checker from 0.12.0 to 0.13.0 #262

Job	Run time
call-mediawiki-tests-workflow (master, 8.1, 81, false, true) / master \| PHP 8.1	3m 48s
call-mediawiki-tests-workflow (REL1_41, 8.1, 81, true, false) / REL1_41 \| PHP 8.1	3m 51s
notify-irc	25s
	8m 4s

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