Fix TypeScript return type in import-tuxedo-stops.ts

Add missing 'locations' property to loadStops() return type.

scripts/import-tuxedo-stops.ts

@@ -76,7 +76,7 @@ function slugify(s: string): string {
   return out.replace(/^-+|-+$/g, "");
 }
 
-async function loadStops(xlsxPath: string): Promise<{ stops: ParsedStop[]; skipped: Record<string, number>; dirCount: number }> {
+async function loadStops(xlsxPath: string): Promise<{ stops: ParsedStop[]; skipped: Record<string, number>; dirCount: number; locations: ParsedLocation[] }> {
   const wb = new ExcelJS.Workbook();
   await wb.xlsx.readFile(xlsxPath);