Fix length variable in via-(length:*) class being merged with via-<color> classes accidentally#559

dcastil merged 3 commits intomaindcastil/tailwind-merge:mainfrom

bugfix/557/fix-length-variable-in-via-class-not-being-detecteddcastil/tailwind-merge:bugfix/557/fix-length-variable-in-via-class-not-being-detectedCopy head branch name to clipboard