fix(build): handle `-` in title of code blocks with line highlighting (#1743)

src/node/markdown/plugins/highlight.ts

@@ -20,7 +20,7 @@ import type { ThemeOptions } from '../markdown'
  *    [{ line: number, classes: string[] }]
  */
 const attrsToLines = (attrs: string): HtmlRendererOptions['lineOptions'] => {
-  attrs = attrs.replace(/.*?([\d,-]+).*/, '$1').trim()
+  attrs = attrs.replace(/^(?:\[.*?\])?.*?([\d,-]+).*/, '$1').trim()
   const result: number[] = []
   if (!attrs) {
     return []