Bump rollup from 4.21.3 to 4.22.4 in /website #7000

Job	Run time
scarb-metadata compatibility check	39s
check-rust	3m 58s
build test linux x86-64	5m 49s
check-website	11s
build test windows x86-64	17m 33s
doc tests	3m 14s
test linux x86-64 1/8	13m 28s
test linux x86-64 2/8	16m 25s
test linux x86-64 3/8	16m 59s
test linux x86-64 4/8	13m 44s
test linux x86-64 5/8	10m 34s
test linux x86-64 6/8	9m 56s
test linux x86-64 7/8	8m 15s
test linux x86-64 8/8	8m 9s
test windows x86-64 1/8	13m 24s
test windows x86-64 2/8	14m 40s
test windows x86-64 3/8	15m 32s
test windows x86-64 4/8	12m 54s
test windows x86-64 5/8	10m 19s
test windows x86-64 6/8	9m 35s
test windows x86-64 7/8	8m 57s
test windows x86-64 8/8	7m 57s
	3h 42m 12s

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