Docs: fix sort-imports rule block language (#9805)
Docs: fix sort-imports rule block language (#9805)

one of the blocks in rule `sort-imports`
was missing language highlighting so
added that as in two previous blocks.
BenoitZugmeyer/eslint,Trott/eslint,Moeriki/eslint,platinumazure/eslint,eslint/eslint,DavidAnson/eslint,whitneyit/eslint,platinumazure/eslint,pvamshi/eslint,ljharb/eslint,Moeriki/eslint,onurtemizkan/eslint,BenoitZugmeyer/eslint,pvamshi/eslint,eslint/eslint,Aladdin-ADD/eslint,onurtemizkan/eslint,Aladdin-ADD/eslint,ljharb/eslint,DavidAnson/eslint,whitneyit/eslint,Trott/eslint