Upgrade Stylelint from 16 to 17 and stylelint-config-torchbox to 5.0.0 #352

Job	Run time
test	52s
build_site	1m 5s
test_compatibility (3.10, py310-dj42,py310-dj52)	47s
test_compatibility (3.12, py312-dj42,py312-dj52,py312-dj60)	1m 10s
test_compatibility (3.13, py313-dj42,py313-dj52,py313-dj60)	1m 8s
test_compatibility (3.11, py311-dj42,py311-dj52)	47s
test_compatibility (3.14, py314-dj52,py314-djmain)	56s
deploy_site	-1s
	6m 44s

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