Work around candidate parsing bug

Author: thecrypticace

packages/tailwindcss-language-service/src/util/getVariantsFromClassName.ts

@@ -63,6 +63,10 @@ export function getVariantsFromClassName(
   for (let part of parts) {
     if (!isValidVariant(part)) break
 
+    // We might see something like `bg-[` and consider it valid before v4.1.16
+    // This is a fix for that behavior
+    if (part.endsWith('-[')) break
+
     variants.add(part)
     offset += part.length + state.separator!.length
   }