website: bump postcss from 8.4.40 to 8.4.41 in /website #23148

Job	Run time
lint (lint, web)	1m 39s
lint (lint, tests/wdio)	45s
lint (lint:lockfile, web)	1m 30s
lint (tsc, web)	1m 41s
lint (prettier-check, web)	1m 36s
lint (prettier-check, tests/wdio)	47s
lint (lit-analyse, web, # lit-analyse doesn't understand path rewrites, so make it # belive it's ...	1m 33s
ci-web-mark	1s
test	1m 33s
build	1m 41s
	12m 46s

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