refactor(web): update import path for getBlogPosts in sitemap.ts (#289), (#290), (#291)

Author: 1chooo

apps/web/src/app/sitemap.ts

@@ -2,7 +2,7 @@
  * Go to https://github.com/leerob/site/blob/1129b6d81937cef493edb060f87e6f2ac9f335ed/app/sitemap.ts to see details
  */
 
-import { getBlogPosts } from '@/app/db/blog';
+import { getBlogPosts } from '@/lib/db/blog';
 
 export default async function sitemap() {
   let blogs = getBlogPosts().map((post) => ({