Upgrade Stylelint from 16 to 17 and stylelint-config-torchbox to 5.0.0 #354

Job	Run time
test	35s
build_site	51s
test_compatibility (3.13, py313-dj42,py313-dj52,py313-dj60)	1m 7s
test_compatibility (3.12, py312-dj42,py312-dj52,py312-dj60)	1m 6s
test_compatibility (3.11, py311-dj42,py311-dj52)	52s
test_compatibility (3.14, py314-dj52,py314-djmain)	58s
test_compatibility (3.10, py310-dj42,py310-dj52)	44s
deploy_site	12s
	6m 25s

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