[upd] themes: update vite

client/simple/package.json

@@ -35,7 +35,6 @@
     "browserslist-to-esbuild": "~2.1.1",
     "edge.js": "~6.3.0",
     "less": "~4.4.2",
-    "lightningcss": "~1.30.2",
     "mathjs": "~15.1.0",
     "sharp": "~0.34.5",
     "sort-package-json": "~3.5.0",
@@ -44,7 +43,7 @@
     "stylelint-prettier": "~5.0.3",
     "svgo": "~4.0.0",
     "typescript": "~5.9.3",
-    "vite": "npm:rolldown-vite@7.2.7",
+    "vite": "8.0.0-beta.0",
     "vite-bundle-analyzer": "~1.2.3"
   }
 }